Age Calculator

Calculate exact age from a birth date

Enter a birth date and this calculator works out the exact age in years, months and days, along with totals in months, days and hours. Leave the second field blank to get age as of today, or set it to find age on a specific date such as a future birthday or a past event.

How to calculate age

Pick the date of birth, optionally set a date to calculate the age at, and the full breakdown appears on its own.

Frequently asked questions