Runs locally
Age Calculator
Years, months and days from a birth date.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Years, months and days from a birth date. Runs in the browser. Nothing is uploaded.
About this tool
Find out exactly how old someone is today. Enter the date of birth and see the age split into full years, months and days.
How to use it
- 01
Enter the date of birth.
- 02
Read the age in years, months and days.
- 03
Copy the result if you need it for a form.
FAQ
Frequently asked questions
Is the age counted up to today?
Yes. The age is calculated from the birth date to the current date on your device.
How are leap years handled?
Calendar months and leap years are counted exactly, so a birthday on February 29 is handled correctly.