Speed Converter

Convert speed between km/h, mph, m/s, knots and ft/s — perfect for running, driving and aviation.

Value

From

Converted value

3.60

Dernière mise à jour: 2026-08-30

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FAQ

How does the speed converter work?

Enter a value, pick the source and target units, and the result updates instantly using exact internationally-defined conversion factors.

Are the conversion factors exact?

Yes — every factor is the internationally-defined exact value (for example, 1 inch = 25.4 mm exactly), so the output is precise up to final rounding.

Why does the result show many decimal places?

Results are rounded to six decimal places so tiny units stay accurate. Round the final figure to whatever precision your task actually needs.

How do I convert km/h to mph?

Divide km/h by 1.609. 100 km/h ≈ 62 mph, which is handy for reading foreign speed limits.

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