Age Calculator

Calculate exact age in years, months and days, plus total days, total weeks and the weekday you were born.

Why use this tool?

Find an exact age in years, months and days between two dates - for forms, eligibility checks or anniversaries - plus total days, weeks and the weekday of birth.

How to use it

1. Enter the date of birth.
2. Optionally change the 'as of' date (it defaults to today).
3. Read the exact age and totals.