Age Calculator

Calculate exact age in years, months, days, hours and next birthday.

Your details

Date of birth

Age at date

Month lengths and leap years are handled by borrowing days from the previous month, exactly as a calendar does.

Formula

age = target date − date of birth, normalised across months and years

Born 15 June 1995, on 5 August 2026 you are 31 years, 1 month and 21 days old.

Are leap years included?

Yes. The day count uses real calendar dates, so 29 February is counted whenever it occurs.

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