About the Age Calculator tool
Find your exact age (or anyone’s) down to the day, how many days you’ve been alive, and how long until the next birthday cake.
How to use it
- Enter a date of birth.
- Optionally change the “as of” date.
- Read the results.
Frequently asked questions
What about leap-day birthdays?
For February 29 birthdays in non-leap years, the next birthday is counted as March 1.