How to use
- Enter your date of birth.
- Optionally change the "on date" to find your age at a specific past or future date.
- Read your exact age in years, the total number of days you have lived, and the days left until your next birthday.
Examples
- Someone born on 1990-05-15, measured on 2026-05-26, is 36 years old with about 13,160 days lived.
- The tool also shows how many days remain until the next birthday so you can plan ahead.