How do I calculate my exact age?

Enter your date of birth and get your exact age in years, months and days, plus the total days lived.

Can I calculate my age on a past or future date?

Yes. Optionally enter a date to calculate your age on that day.

Yes, it is free to use with no signup.

Find your exact age in years, months and days. Enter your date of birth and, optionally, a date to calculate your age on that day.

Date of Birth

Age at Date (optional)

Leave as today if you want your current age.

Select your date of birth in the first field.
Optionally change the "Age at Date" field, or leave it set to today.
Click Calculate Age.
See your age in years, months and days, along with total days, total months, the weekday you were born on, and a countdown to your next birthday.

Use the "Age at Date" field for forms that ask your age on a specific day, such as an admission or exam cutoff date.
The total-days and total-weeks figures are handy for baby milestones and anniversaries.
Leap years are handled automatically — the exact-days count stays correct across February 29.