How to use the Age Calculator
- Enter the date of birth.
- Optionally change "Age on" to calculate age at another date.
Age is counted in completed years, then remaining months and days. People born on February 29 celebrate on February 28 or March 1 in non-leap years; this calculator uses March 1.
Frequently asked questions
Is my information saved?
No. Calculations happen in your browser and nothing is stored or sent anywhere.
Can I calculate age at a past or future date?
Yes — change the "Age on" date.