This free online age calculator works out your exact age in years, months, and days from your date of birth. Just pick your birth date below and click Calculate Age to see a full breakdown instantly.
How to Use the Age Calculator
Click the "Enter Date of Birth" field and pick your birth date.
Click "Calculate Age" to see your age in years, months, and days.
Change the date and recalculate any time to check someone else's age.
Frequently Asked Questions
The calculator compares today's date to your date of birth, then adjusts the years, months, and days so the result is an accurate calendar-based age rather than a simple day count.
If the date of birth field is left empty, clicking "Calculate Age" does nothing and no result is shown until a valid date is selected.
Yes, the calculator uses the actual number of days in the previous month (including February in leap years) when working out the day portion of your age.
Yes, it's completely free and requires no sign-up or download.