Age Gap Calculator

Find the exact age difference in years, months, and days between two people.

First person's date of birth

Second person's date of birth

Age difference (days)

1,628

Last updated: 2026-08-30

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FAQ

How is the age gap computed?

The calculator borrows months and days the same way ages are counted — calendar arithmetic, not just dividing total days.

What is the 'half your age plus seven' rule?

A social rule of thumb for the youngest acceptable partner: half your age plus seven; it is custom, not law.

Does the order of birth dates matter?

No — the calculator always subtracts the older from the younger and reports an absolute difference.

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