Enter a date of birth to find the exact age in years, months and days, total days lived, the countdown to the next birthday, and the day of the week the person was born.
How to use the Age Calculator
- Enter the date of birth.
- Optionally change the "age at" date.
- See the exact age and fun facts.
How age is calculated
Age is the number of full years since birth, then remaining full months, then days. People born on 29 February celebrate in non-leap years on 28 February for this calculation.
Frequently asked questions
Can I calculate age on a past or future date?
Yes. Change the "Age at" date.