Toutes les calculatrices Conversion253 calculatrices

Convertissez unités, devises et plus

• Length ConverterConvert between metric and imperial length units: meters, feet, inches, miles, kilometers, yards and more.
• Weight & Mass ConverterConvert weight and mass between kilograms, pounds, ounces, stones, grams and tonnes with exact factors.
• Volume ConverterConvert volume between liters, gallons, cups, milliliters, tablespoons, pints and cubic meters.
• Area ConverterConvert area between square meters, square feet, acres, hectares, square miles and square yards.
• Speed ConverterConvert speed between km/h, mph, m/s, knots and ft/s — perfect for running, driving and aviation.
• Data Storage ConverterConvert digital storage between bytes, KB, MB, GB, TB and binary KiB/MiB/GiB units.
• Temperature ConverterConvert between Celsius, Fahrenheit and Kelvin with exact offset-aware formulas.
• Fuel Economy ConverterConvert between MPG (US & imperial) and L/100km — the inverse fuel-consumption units used worldwide.
• Pressure ConverterConvert pressure units: psi, bar, pascal, atmosphere, torr and more.
• Energy ConverterConvert energy units: joule, calorie, kWh, BTU, electronvolt and more.
• Power ConverterConvert power units: watt, kilowatt, horsepower, BTU per hour and more.
• Frequency ConverterConvert frequency units: hertz, kilohertz, megahertz, RPM and more.
• Angle ConverterConvert angle units: degrees, radians, gradians, turns, arcminutes.
• Cooking ConverterConvert kitchen measurements: cups, tablespoons, teaspoons, fluid ounces, milliliters.
• Fuel Efficiency ConverterConvert MPG (US/UK) to liters per 100 km and km per liter.
• Shoe Size ConverterConvert shoe sizes between US, UK, EU and centimeter measurements.
• Roman Numeral ConverterConvert numbers to Roman numerals and Roman numerals to numbers (1–3999).
• Time Zone ConverterConvert a time between UTC offsets to coordinate meetings across time zones.
• Acreage CalculatorConvert plot dimensions or area into acres, hectares, and square feet instantly.
• Currency ConverterConvert between 28 major currencies using indicative mid-market reference rates, with a quick inverse rate.
• Paper Weight & Size CalculatorA-series paper dimensions (A0–A10) with weight estimates for print jobs — mm, inches, and gsm-based grams.
• Precious Metal Weight ConverterConvert gold and silver weights between grams, troy ounces, pennyweights, and tolas — the units used by bullion dealers.
• Nautical Distance ConverterConvert between nautical miles, kilometres, statute miles, leagues, cables, and fathoms for marine and aviation distances.
• Nautical Speed ConverterConvert boat and aircraft speeds between knots, km/h, mph, and metres per second.
• Fuel Consumption ConverterConvert fuel economy between MPG (US and imperial), litres per 100 km, and km per litre.
• Data Transfer Time CalculatorEstimate how long a file takes to upload or download over USB, Wi-Fi, Ethernet, or mobile data, using realistic protocol overhead.
• Data Storage ConverterConvert between bits, bytes, KB/MB/GB/TB and KiB/MiB/GiB — and see the decimal-vs-binary gap that explains why a "500 GB" drive shows up as 465 GB.
• Acres to Hectares ConverterFast acres to hectares conversion calculator. 1 acres = 0.4046856422 hectares. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Acres to Square Feet ConverterConvert acres into square feet in one step. Built on exact SI definitions (1 acres = 43560 square feet), so results are accurate enough for engineering, cooking, and homework alike.
• Acres to Square Miles CalculatorFast acres to square miles conversion calculator. 1 acres = 0.0015625 square miles. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Angstrom to nm converterConvert angstroms into nanometers in one step. Built on exact SI definitions (1 angstroms = 0.1 nanometers), so results are accurate enough for engineering, cooking, and homework alike.
• Ares to Cent ConverterA precise ares → cents converter for study, work, and travel. The math: 1 ares = 2.471053815 cents. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Ares to hectares converterFast ares to hectares conversion calculator. 1 ares = 0.01 hectares. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• atm to Pascals ConversionA precise atmospheres → pascals converter for study, work, and travel. The math: 1 atmospheres = 101325 pascals. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Bar To Atm ConversionFast bars to atmospheres conversion calculator. 1 bars = 0.9869232667 atmospheres. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• bar to psi ConversionA precise bars → pounds per square inch converter for study, work, and travel. The math: 1 bars = 14.50377377 pounds per square inch. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Bar to PSIG ConverterInstantly convert bars to psi gauge with this free online tool. 1 bars = 14.50377377 psi gauge — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Billion to Trillion ConverterInstantly convert billions to trillions with this free online tool. 1 billions = 0.001 trillions — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Binary to Hexadecimal ConverterFast binary to hexadecimal conversion calculator. read the digits as base 2, then re-encode in base 16. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Binary to Octal ConverterA precise binary → octal converter for study, work, and travel. The math: read the digits as base 2, then re-encode in base 8. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• BTU to Tons ConverterConvert btu per hour into tons of refrigeration in one step. Built on exact SI definitions (1 ton of refrigeration = 12,000 BTU/h), so results are accurate enough for engineering, cooking, and homework alike.
• cc to Liter ConverterInstantly convert cubic centimeters to liters with this free online tool. 1 cubic centimeters = 0.001 liters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• cc to ml ConverterA precise cubic centimeters → milliliters converter for study, work, and travel. The math: 1 cubic centimeters = 1 milliliters. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• cc to oz ConverterA precise cubic centimeters → us fluid ounces converter for study, work, and travel. The math: 1 cubic centimeters = 0.0338140227 US fluid ounces. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• CCF to Gallons ConversionInstantly convert ccf to us gallons with this free online tool. 1 CCF = 7.480519481 US gallons — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• CCF to Therms CalculatorFast ccf to therms conversion calculator. 1 CCF ≈ 1.037 therms (EIA national average). Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Celsius to Fahrenheit ConverterFast celsius to fahrenheit conversion calculator. °F = (°C × 9/5) + 32. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cent to Square Meter ConverterFast cents to square meters conversion calculator. 1 cents = 40.46856422 square meters. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Centigrade to Celsius ConverterFast celsius to celsius conversion calculator. convert via Celsius. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cents to Dollars CalculatorFast cents to dollars conversion calculator. 1 cents = 0.01 dollars. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cents to Euros CalculatorInstantly convert cents to euros with this free online tool. 1 cents = 0.01 euros — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• cm to in ConverterInstantly convert centimeters to inches with this free online tool. 1 centimeters = 0.3937007874 inches — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• cm to km ConversionInstantly convert centimeters to kilometers with this free online tool. 1 centimeters = 0.00001 kilometers — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• cm to m ConverterConvert centimeters into meters in one step. Built on exact SI definitions (1 centimeters = 0.01 meters), so results are accurate enough for engineering, cooking, and homework alike.
• cm to mm ConverterConvert centimeters into millimeters in one step. Built on exact SI definitions (1 centimeters = 10 millimeters), so results are accurate enough for engineering, cooking, and homework alike.
• Crore to Lakh ConverterInstantly convert crores to lakhs with this free online tool. 1 crores = 100 lakhs — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Crore to Million ConverterInstantly convert crores to millions with this free online tool. 1 crores = 10 millions — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Cubic Feet to Cubic Meters ConverterFast cubic feet to cubic meters conversion calculator. 1 cubic feet = 0.02831684659 cubic meters. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cubic Feet to Gallons ConverterInstantly convert cubic feet to us gallons with this free online tool. 1 cubic feet = 7.480519481 US gallons — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Cubic Inches to Gallons ConverterConvert cubic inches into us gallons in one step. Built on exact SI definitions (1 cubic inches = 0.004329004329 US gallons), so results are accurate enough for engineering, cooking, and homework alike.
• Cups to Gallons ConverterA precise us cups → us gallons converter for study, work, and travel. The math: 1 US cups = 0.0625 US gallons. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Cups to Pints ConverterFast us cups to us pints conversion calculator. 1 US cups = 0.5 US pints. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cups to Quarts ConverterA precise us cups → us quarts converter for study, work, and travel. The math: 1 US cups = 0.25 US quarts. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Days to Months CalculatorFast days to months conversion calculator. 1 days = 0.03285420945 months. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Days to Weeks CalculatorA precise days → weeks converter for study, work, and travel. The math: 1 days = 0.1428571429 weeks. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Days to Years CalculatorConvert days into years in one step. Built on exact SI definitions (1 days = 0.002737850787 years), so results are accurate enough for engineering, cooking, and homework alike.
• Decagram to gram converterInstantly convert decagrams to grams with this free online tool. 1 decagrams = 10 grams — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Decimal to Hexadecimal ConverterA precise decimal → hexadecimal converter for study, work, and travel. The math: read the digits as base 10, then re-encode in base 16. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Decimal to Octal ConverterFast decimal to octal conversion calculator. read the digits as base 10, then re-encode in base 8. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Decimal to Percent ConverterA precise decimal fraction → percent converter for study, work, and travel. The math: 1 decimal fraction = 100 percent. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Decimeter to Meter ConverterInstantly convert decimeters to meters with this free online tool. 1 decimeters = 0.1 meters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Degrees to Minutes ConverterA precise degrees → arcminutes converter for study, work, and travel. The math: 1 degrees = 60 arcminutes. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Degrees to Radians ConverterConvert degrees into radians in one step. Built on exact SI definitions (1 degrees = 0.01745329252 radians), so results are accurate enough for engineering, cooking, and homework alike.
• Degrees to Seconds ConverterFast degrees to arcseconds conversion calculator. 1 degrees = 3600 arcseconds. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Fahrenheit to Celsius ConverterFast fahrenheit to celsius conversion calculator. °C = (°F − 32) × 5/9. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Feet to Inches CalculatorFast feet to inches conversion calculator. 1 feet = 12 inches. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Feet to Miles ConverterFast feet to miles conversion calculator. 1 feet = 0.0001893939394 miles. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Feet to Yards ConversionFast feet to yards conversion calculator. 1 feet = 0.3333333333 yards. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Foot to Centimeter ConverterConvert feet into centimeters in one step. Built on exact SI definitions (1 feet = 30.48 centimeters), so results are accurate enough for engineering, cooking, and homework alike.
• ft to m ConverterInstantly convert feet to meters with this free online tool. 1 feet = 0.3048 meters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• g to lbs ConverterA precise grams → pounds converter for study, work, and travel. The math: 1 grams = 0.002204622622 pounds. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Grams To Ounces CalculatorA precise grams → ounces converter for study, work, and travel. The math: 1 grams = 0.03527396195 ounces. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Gallons to Cubic Feet ConverterInstantly convert us gallons to cubic feet with this free online tool. 1 US gallons = 0.1336805556 cubic feet — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Gallons to Cups ConverterA precise us gallons → us cups converter for study, work, and travel. The math: 1 US gallons = 16 US cups. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Gallons to Pints ConverterInstantly convert us gallons to us pints with this free online tool. 1 US gallons = 8 US pints — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Gallons to Quarts ConverterConvert us gallons into us quarts in one step. Built on exact SI definitions (1 US gallons = 4 US quarts), so results are accurate enough for engineering, cooking, and homework alike.
• Hectares to Acres ConverterFast hectares to acres conversion calculator. 1 hectares = 2.471053815 acres. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Hours to Days CalculatorFast hours to days conversion calculator. 1 hours = 0.04166666667 days. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Hours to Minutes ConverterInstantly convert hours to minutes with this free online tool. 1 hours = 60 minutes — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Hours to Seconds ConverterConvert hours into seconds in one step. Built on exact SI definitions (1 hours = 3600 seconds), so results are accurate enough for engineering, cooking, and homework alike.
• Hours to Week Conversion CalculatorConvert hours into weeks in one step. Built on exact SI definitions (1 hours = 0.005952380952 weeks), so results are accurate enough for engineering, cooking, and homework alike.
• Hours to Years ConverterConvert hours into years in one step. Built on exact SI definitions (1 hours = 0.0001140771161 years), so results are accurate enough for engineering, cooking, and homework alike.
• in to cm ConverterInstantly convert inches to centimeters with this free online tool. 1 inches = 2.54 centimeters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Inch to Meter CalculatorInstantly convert inches to meters with this free online tool. 1 inches = 0.0254 meters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Inches to Yard ConversionConvert inches into yards in one step. Built on exact SI definitions (1 inches = 0.02777777778 yards), so results are accurate enough for engineering, cooking, and homework alike.
• Kelvin to Celsius ConverterConvert kelvin into celsius in one step. Built on exact SI definitions (°C = K − 273.15), so results are accurate enough for engineering, cooking, and homework alike.
• Kelvin to Fahrenheit ConverterInstantly convert kelvin to fahrenheit with this free online tool. °F = (K − 273.15) × 9/5 + 32 — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• kg/cm² to psi ConverterFast kilograms-force per cm² to pounds per square inch conversion calculator. 1 kilograms-force per cm² = 14.22334331 pounds per square inch. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• kg to lbs ConverterA precise kilograms → pounds converter for study, work, and travel. The math: 1 kilograms = 2.204622622 pounds. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• kg to ounce converterConvert kilograms into ounces in one step. Built on exact SI definitions (1 kilograms = 35.27396195 ounces), so results are accurate enough for engineering, cooking, and homework alike.
• kg to Stones ConverterInstantly convert kilograms to stones with this free online tool. 1 kilograms = 0.1574730444 stones — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• kB to MB ConverterInstantly convert kilobytes to megabytes with this free online tool. 1 kilobytes = 0.001 megabytes — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Kilometers to Miles CalculatorConvert kilometers into miles in one step. Built on exact SI definitions (1 kilometers = 0.6213711922 miles), so results are accurate enough for engineering, cooking, and homework alike.
• km to Feet ConversionInstantly convert kilometers to feet with this free online tool. 1 kilometers = 3280.839895 feet — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Knots to kph ConverterFast knots to kilometers per hour conversion calculator. 1 knots = 1.852 kilometers per hour. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Knots to mph ConverterA precise knots → miles per hour converter for study, work, and travel. The math: 1 knots = 1.150779448 miles per hour. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• kPa to atm ConversionConvert kilopascals into atmospheres in one step. Built on exact SI definitions (1 kilopascals = 0.009869232667 atmospheres), so results are accurate enough for engineering, cooking, and homework alike.
• kPa to mmHg ConversionA precise kilopascals → millimeters of mercury converter for study, work, and travel. The math: 1 kilopascals = 7.500615758 millimeters of mercury. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• kPa to psi ConversionInstantly convert kilopascals to pounds per square inch with this free online tool. 1 kilopascals = 0.1450377377 pounds per square inch — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• l to gal ConverterA precise liters → us gallons converter for study, work, and travel. The math: 1 liters = 0.2641720524 US gallons. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• lbs to g ConverterA precise pounds → grams converter for study, work, and travel. The math: 1 pounds = 453.59237 grams. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• lbs to kg converterA precise pounds → kilograms converter for study, work, and travel. The math: 1 pounds = 0.45359237 kilograms. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Lbs to Newtons ConverterInstantly convert pounds to newtons with this free online tool. F = m × g, so 1 lb weighs ≈ 4.448 N — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• lbs to Pounds ConverterFast pounds to pounds conversion calculator. 1 pounds = 1 pounds. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• lbs to Stone ConverterInstantly convert pounds to stones with this free online tool. 1 pounds = 0.07142857143 stones — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Liters to Centiliters ConverterFast liters to centiliters conversion calculator. 1 liters = 100 centiliters. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• m to ft ConverterInstantly convert meters to feet with this free online tool. 1 meters = 3.280839895 feet — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• MB to GB ConverterConvert megabytes into gigabytes in one step. Built on exact SI definitions (1 megabytes = 0.001 gigabytes), so results are accurate enough for engineering, cooking, and homework alike.
• Mbps to Gbps ConverterFast megabits per second to gigabits per second conversion calculator. 1 megabits per second = 0.001 gigabits per second. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Meter To Mile ConverterInstantly convert meters to miles with this free online tool. 1 meters = 0.0006213711922 miles — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Meters to Feet ConverterA precise meters → feet converter for study, work, and travel. The math: 1 meters = 3.280839895 feet. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• mg to lbs ConverterConvert milligrams into pounds in one step. Built on exact SI definitions (1 milligrams = 0.000002204622622 pounds), so results are accurate enough for engineering, cooking, and homework alike.
• micron to mil Conversion CalculatorConvert micrometers into mils in one step. Built on exact SI definitions (1 micrometers = 0.03937007874 mils), so results are accurate enough for engineering, cooking, and homework alike.
• mil to inch ConversionInstantly convert mils to inches with this free online tool. 1 mils = 0.001 inches — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• mil to mm ConversionInstantly convert mils to millimeters with this free online tool. 1 mils = 0.0254 millimeters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Million to Billion ConverterConvert millions into billions in one step. Built on exact SI definitions (1 millions = 0.001 billions), so results are accurate enough for engineering, cooking, and homework alike.
• Million to Lakh ConverterA precise millions → lakhs converter for study, work, and travel. The math: 1 millions = 10 lakhs. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Million to Thousand ConverterInstantly convert millions to thousands with this free online tool. 1 millions = 1000 thousands — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Minutes to Days CalculatorFast minutes to days conversion calculator. 1 minutes = 0.0006944444444 days. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Minutes to Decimal CalculatorA precise minutes → decimal hours converter for study, work, and travel. The math: decimal hours = minutes ÷ 60. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Minutes to Hours ConverterInstantly convert minutes to hours with this free online tool. 1 minutes = 0.01666666667 hours — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Minutes to Seconds ConverterConvert minutes into seconds in one step. Built on exact SI definitions (1 minutes = 60 seconds), so results are accurate enough for engineering, cooking, and homework alike.
• Minutes to Years ConversionA precise minutes → years converter for study, work, and travel. The math: 1 minutes = 0.000001901285269 years. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• ml to cc ConverterA precise milliliters → cubic centimeters converter for study, work, and travel. The math: 1 milliliters = 1 cubic centimeters. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• ml to cups ConverterA precise milliliters → us cups converter for study, work, and travel. The math: 1 milliliters = 0.004226752838 US cups. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• ml to oz ConverterInstantly convert milliliters to us fluid ounces with this free online tool. 1 milliliters = 0.0338140227 US fluid ounces — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• mm to ATM ConverterA precise millimeters of mercury → atmospheres converter for study, work, and travel. The math: 1 atm = 760 mmHg exactly. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• mm to Foot ConverterInstantly convert millimeters to feet with this free online tool. 1 millimeters = 0.003280839895 feet — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• mm to Inches ConversionInstantly convert millimeters to inches with this free online tool. 1 millimeters = 0.03937007874 inches — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• mm to km ConversionConvert millimeters into kilometers in one step. Built on exact SI definitions (1 millimeters = 0.000001 kilometers), so results are accurate enough for engineering, cooking, and homework alike.
• mm to m ConversionFast millimeters to meters conversion calculator. 1 millimeters = 0.001 meters. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• MmHg to Atm ConversionFast millimeters of mercury to atmospheres conversion calculator. 1 millimeters of mercury = 0.001315789661 atmospheres. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Moles to Atoms ConverterA precise moles → atoms converter for study, work, and travel. The math: 1 moles = 1.660539e-24 atoms. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Months to Years CalculatorConvert months into years in one step. Built on exact SI definitions (1 months = 0.08333333333 years), so results are accurate enough for engineering, cooking, and homework alike.
• MPa to PSI ConversionConvert megapascals into pounds per square inch in one step. Built on exact SI definitions (1 megapascals = 145.0377377 pounds per square inch), so results are accurate enough for engineering, cooking, and homework alike.
• MPa to psig ConversionA precise megapascals → psi gauge converter for study, work, and travel. The math: 1 megapascals = 145.0377377 psi gauge. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• m/s to km/h ConverterA precise meters per second → kilometers per hour converter for study, work, and travel. The math: 1 meters per second = 3.6 kilometers per hour. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• ms to Seconds ConverterFast milliseconds to seconds conversion calculator. 1 milliseconds = 0.001 seconds. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Nm to ft-lbs ConverterConvert newton-meters into foot-pounds in one step. Built on exact SI definitions (1 N·m = 0.737562 ft·lb), so results are accurate enough for engineering, cooking, and homework alike.
• nm to m ConverterInstantly convert nanometers to meters with this free online tool. 1 nanometers = 1.000000e-9 meters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Ounce to kg ConverterConvert ounces into kilograms in one step. Built on exact SI definitions (1 ounces = 0.02834952313 kilograms), so results are accurate enough for engineering, cooking, and homework alike.
• Ounces to Grams ConverterA precise ounces → grams converter for study, work, and travel. The math: 1 ounces = 28.34952313 grams. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Ounces to Pounds ConverterInstantly convert ounces to pounds with this free online tool. 1 ounces = 0.0625 pounds — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• oz to cc ConverterA precise us fluid ounces → cubic centimeters converter for study, work, and travel. The math: 1 US fluid ounces = 29.57352956 cubic centimeters. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Pa to psi ConverterFast pascals to pounds per square inch conversion calculator. 1 pascals = 0.0001450377377 pounds per square inch. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Pints to Cups ConverterFast us pints to us cups conversion calculator. 1 US pints = 2 US cups. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Pints to Gallons ConverterInstantly convert us pints to us gallons with this free online tool. 1 US pints = 0.125 US gallons — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Pounds to Grams ConverterInstantly convert pounds to grams with this free online tool. 1 pounds = 453.59237 grams — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Pounds to lbs ConverterFast pounds to pounds conversion calculator. 1 pounds = 1 pounds. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Pounds to Ounces ConverterInstantly convert pounds to ounces with this free online tool. 1 pounds = 16 ounces — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Pounds to Stone ConverterFast pounds to stones conversion calculator. 1 pounds = 0.07142857143 stones. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• psi to atm ConversionConvert pounds per square inch into atmospheres in one step. Built on exact SI definitions (1 pounds per square inch = 0.06804596391 atmospheres), so results are accurate enough for engineering, cooking, and homework alike.
• Quarts to Cups ConverterA precise us quarts → us cups converter for study, work, and travel. The math: 1 US quarts = 4 US cups. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Quarts to Gallons ConverterConvert us quarts into us gallons in one step. Built on exact SI definitions (1 US quarts = 0.25 US gallons), so results are accurate enough for engineering, cooking, and homework alike.
• Radians to Degrees ConverterConvert radians into degrees in one step. Built on exact SI definitions (1 radians = 57.29577951 degrees), so results are accurate enough for engineering, cooking, and homework alike.
• Seconds to Days ConverterConvert seconds into days in one step. Built on exact SI definitions (1 seconds = 0.00001157407407 days), so results are accurate enough for engineering, cooking, and homework alike.
• Seconds to Hours ConverterConvert seconds into hours in one step. Built on exact SI definitions (1 seconds = 0.0002777777778 hours), so results are accurate enough for engineering, cooking, and homework alike.
• Seconds to Minutes ConverterConvert seconds into minutes in one step. Built on exact SI definitions (1 seconds = 0.01666666667 minutes), so results are accurate enough for engineering, cooking, and homework alike.
• Seconds to Years ConversionFast seconds to years conversion calculator. 1 seconds = 3.168809e-8 years. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Square Centimeters To Square Millimeters ConverterInstantly convert square centimeters to square millimeters with this free online tool. 1 square centimeters = 100 square millimeters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Square Feet to Acres CalculatorConvert square feet into acres in one step. Built on exact SI definitions (1 square feet = 0.00002295684114 acres), so results are accurate enough for engineering, cooking, and homework alike.
• Square Inch to Square Foot ConverterInstantly convert square inches to square feet with this free online tool. 1 square inches = 0.006944444444 square feet — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Square Meters to Square Feet ConverterConvert square meters into square feet in one step. Built on exact SI definitions (1 square meters = 10.76391042 square feet), so results are accurate enough for engineering, cooking, and homework alike.
• Stone to kg ConverterInstantly convert stones to kilograms with this free online tool. 1 stones = 6.35029318 kilograms — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Stone to lbs ConverterFast stones to pounds conversion calculator. 1 stones = 14 pounds. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Tbsp to ml ConverterFast us tablespoons to milliliters conversion calculator. 1 US tablespoons = 14.78676478 milliliters. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Torr to atm ConversionConvert torr into atmospheres in one step. Built on exact SI definitions (1 torr = 0.001315789661 atmospheres), so results are accurate enough for engineering, cooking, and homework alike.
• Weeks to Months CalculatorA precise weeks → months converter for study, work, and travel. The math: 1 weeks = 0.2299794661 months. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Weeks to Years ConverterA precise weeks → years converter for study, work, and travel. The math: 1 weeks = 0.01916495551 years. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Yard to Meter ConverterA precise yards → meters converter for study, work, and travel. The math: 1 yards = 0.9144 meters. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Yard to Mile ConverterA precise yards → miles converter for study, work, and travel. The math: 1 yards = 0.0005681818182 miles. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Yards to Acres CalculatorConvert square yards into acres in one step. Built on exact SI definitions (1 square yards = 0.0002066115702 acres), so results are accurate enough for engineering, cooking, and homework alike.
• Yards to Meters ConversionInstantly convert yards to meters with this free online tool. 1 yards = 0.9144 meters — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Years to Decades CalculatorConvert years into decades in one step. Built on exact SI definitions (1 years = 0.1 decades), so results are accurate enough for engineering, cooking, and homework alike.
• cc to Grams ConverterFast cubic centimeters to grams conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cubic Feet to Pounds CalculatorA precise cubic feet → pounds converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Cubic Meter to Ton ConverterA precise cubic meters → metric tonnes converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Cubic Yards to Tons CalculatorA precise cubic yards → us short tons converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Cups to Oz ConverterA precise us cups → ounces converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Fluid Ounces to Pounds ConversionInstantly convert us fluid ounces to pounds with this free online tool. multiply by the substance density in g/mL — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Gallons to Grams ConversionA precise us gallons → grams converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Gallons to Pounds ConverterA precise us gallons → pounds converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Gallons to Tons ConverterA precise us gallons → us short tons converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• gal to kg ConverterA precise us gallons → kilograms converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Grams to fl oz ConverterConvert grams into us fluid ounces in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• Gram to Liter ConversionConvert grams into liters in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• gr to ml ConverterConvert grains into milliliters in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• g to tsp ConverterConvert grains into us teaspoons in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• kg to Gallons ConverterFast kilograms to us gallons conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• kg to Liter ConverterFast kilograms to liters conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• kg to mL ConverterFast kilograms to milliliters conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Liters to Pounds CalculatorA precise pounds → liters converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• mg to cc ConversionFast milligrams to cubic centimeters conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• mg to mL CalculatorFast milligrams to milliliters conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• mg to tablespoon ConverterFast milligrams to us tablespoons conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• mg to teaspoon ConverterFast milligrams to us teaspoons conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• ml to kg ConverterInstantly convert milliliters to kilograms with this free online tool. multiply by the substance density in g/mL — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• mL to lbs Conversion CalculatorInstantly convert milliliters to pounds with this free online tool. multiply by the substance density in g/mL — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• oz to Cups ConverterA precise ounces → us cups converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Pint to Pound ConversionA precise us pints → pounds converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Quarts to Pounds ConversionA precise us quarts → pounds converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• tbsp to Grams Converter (with Ingredient Weights)Convert us tablespoons into grams in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• tsp to grams ConverterFast us teaspoons to grams conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Cups to Pounds ConverterA precise us cups → pounds converter for study, work, and travel. The math: multiply by the substance density in g/mL. Works with decimals, negatives, and scientific-scale values, entirely in your browser.
• Grams to Cups ConverterConvert grams into us cups in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• Grams to Tablespoons ConverterConvert grams into us tablespoons in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• Grams to Teaspoons ConverterConvert grams into us teaspoons in one step. Built on exact SI definitions (multiply by the substance density in g/mL), so results are accurate enough for engineering, cooking, and homework alike.
• ml to Grams CalculatorInstantly convert milliliters to grams with this free online tool. multiply by the substance density in g/mL — enter any value and get an exact result to ten significant figures, plus a quick reference table.
• Pounds to Cups ConverterFast pounds to us cups conversion calculator. multiply by the substance density in g/mL. Includes the reverse factor, a common-values table, and answers to frequently asked conversion questions.
• Measurement ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Metric Units ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Distance ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Feet Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Inch Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Meter Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Mile Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Kilometer ↔ Meter ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Micrometer Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Decimeter Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Mil Unit ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Light Year ConverterConvert between every common unit in the length family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Celsius Temperature ConverterConvert between every common unit in the temp family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Kelvin Temperature ConverterConvert between every common unit in the temp family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Atmosphere Pressure ConverterConvert between every common unit in the pressure family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• kPa Pressure ConverterConvert between every common unit in the pressure family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Barometric Pressure ConverterConvert between every common unit in the pressure family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Energy Unit ConverterConvert between every common unit in the energy family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Force Unit ConverterConvert between every common unit in the force family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Density Unit ConverterConvert between every common unit in the density family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Byte Size ConverterConvert between every common unit in the data family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Capacitance Unit ConverterConvert between every common unit in the capacitance family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Mbps Data Rate ConverterConvert between every common unit in the datarate family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Cycles per Second ConverterConvert between every common unit in the freq family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Grain Weight ConverterConvert between every common unit in the mass family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Hour Time ConverterConvert between every common unit in the time family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Day Time ConverterConvert between every common unit in the time family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Milliseconds ConverterConvert between every common unit in the time family — pick a from/to pair and type a value. Exact SI-based factors, instant results, no signup.
• Grams to Calories ConverterConvert grams of a macronutrient to Calories (kcal) using standard 4-4-9 factors, or type any custom kcal-per-gram value.
• Grams to Moles ConverterConvert mass in grams to moles (or back) by entering the molar mass of your substance — n = m ÷ M.
• Hours to Decimal Hours CalculatorConvert hours and minutes to decimal hours for timesheets and payroll — e.g. 2 h 30 min = 2.5 decimal hours.
• Pounds to PSI CalculatorConvert a force in pounds to pressure in psi by dividing by the contact area in square inches — psi = lbf ÷ in².
• Miles to Dollars CalculatorConvert miles driven to reimbursement dollars using the standard mileage rate — or enter your own cents-per-mile.
• Newtons to Joules CalculatorConvert a force in newtons to energy in joules by multiplying by the distance the force acts over — W = F × d.