Age Calculator

Find your exact age in years, months, and days — plus fun stats about your life.

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How to Calculate Your Age

Enter your date of birth in the first field. The "Age On Date" field defaults to today, but you can change it to find your age on any past or future date — useful for legal documents, milestone birthdays, or historical curiosity.

The calculator accounts for leap years, varying month lengths, and all calendar quirks to give you a precise result. It also shows fun stats like your total days lived and how many weeks you have been alive.

Frequently Asked Questions

How do I calculate my exact age?
Enter your date of birth and the date you want to calculate your age on. The calculator shows your exact age in years, months, and days, plus total days and weeks lived.
What if I was born on a leap day (February 29)?
The calculator handles leap years correctly. If you were born on February 29, in non-leap years your birthday is treated as March 1 for the age calculation.
How many days old am I?
Enter your birth date and click Calculate. The "Days Lived" stat shows your exact total number of days alive as of today.
How do I find out what day of the week I was born on?
Enter your birth date and click Calculate — the bonus stats section shows the day of the week you were born.
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