Age calculator
Calculate completed years from a birth date on the date you choose.
For February 29 birthdays, the anniversary is March 1 in non-leap years.
Completed age
years
Check the input values.
Your inputs stay on this device.
How to use
- Enter a birth date.
- Choose the date on which to measure age.
- Read the age in completed years.
The reference date starts at today. Change it to check age on an application date, a past event, or a future birthday.