Age Calculator

About this tool

The Age Calculator finds your exact age in years, months and days from your date of birth, and counts down to your next birthday.

How to use it

1. Enter your date of birth.
2. Optionally change the date you want the age calculated to.
3. Read your age and the days until your next birthday.

Tips and limits

Ages are counted in completed years, months and days using the calendar, so leap years are accounted for. Useful for forms, eligibility checks and planning birthdays.

Frequently asked questions

Is my date of birth stored?

No. The calculation runs in your browser.

Does it handle leap years?

Yes, it uses calendar dates.

Can I calculate someone else's age?

Yes, enter their date of birth.