Find your exact age from your date of birth, or work out someone’s age on any past or future date.
How the age calculator works
The calculator counts complete years first, then the remaining complete months, then the leftover days. Total days lived is the number of days between the two dates.
Example
Someone born on 15 June 1995 is 31 years, 4 months and 16 days old on 31 October 2026.
Frequently asked questions
How many days old am I?
Enter your date of birth and read the Total days lived result.
Can I calculate age on a future date?
Yes. Change the Age at date field to any date after the date of birth.
How are leap-day birthdays handled?
Birthdays on 29 February are counted on the nearest valid date in non-leap years.