How old are you, exactly?

Calculate years, months and days, total days lived and the countdown to your next birthday.

Enter your birth date

You can also choose the calculation date, or keep today.

Date of birthCalculate age on

Your exact result will appear here.

🎂Choose your birth date to begin

Years, months and days are calculated as calendar intervals, not simply total days divided by 365.

See the number of days remaining until your next birthday.

The calculation runs in your browser and requires no account.