Age Calculator
Enter a date of birth to see an exact age, plus total months, weeks and days, and a countdown to the next birthday.
Use the tool
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How to use it
- Choose the date of birth.
- Leave the second date as today, or pick another date to find the age on that day.
- Read the age and the extra details below.
Tips for best results
- Use another date to check eligibility ages on a specific date.
- Leap-year birthdays are handled by the calendar, so results match everyday counting.
Frequently asked questions
How is the age counted?
Whole years first, then whole months, then days, the way people normally state an age.
Can I find age on a past or future date?
Yes. Change the second date to any day on or after the date of birth.