How to use the age calculator
- Pick your date of birth.
- Read your age in years, months and days.
- Check the total days you have lived and the countdown to your next birthday.
Example: someone born on 15 March 1990 who checks on 4 November 2026 is 36 years, 7 months and 20 days old.
Frequently asked questions
How is age calculated in years, months and days?
Full years are counted first, then the remaining full months, then leftover days, using the real number of days in each month.
Does it work for leap-day birthdays?
Yes. Birthdays on 29 February are shown as 1 March in years that are not leap years.
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