Age Calculator
Calculate your exact age in years, months, days, and more with our free age calculator.
About Age Calculator
Calculate your exact age down to the day with our free online age calculator. Enter your birth date and optionally a target date to see your age in years, months, days, total weeks, and total hours. Also shows your next birthday countdown.
How to Use Age Calculator
- 1
Enter your birth date in the date picker.
- 2
Optionally enter a target date to calculate age on a specific day (defaults to today).
- 3
Click "Calculate Age" to see your exact age.
- 4
Review your age in years, months, days, weeks, and hours.
- 5
Check the countdown to your next birthday.
Common Use Cases
Birthday Planning
Calculate exactly how old someone will be on their upcoming birthday for party planning.
Legal Age Verification
Verify if someone meets age requirements for contracts, licenses, or legal documents.
Historical Research
Calculate the age of historical figures at specific events or publication dates.
Pet Age
Calculate your pet's age in human years for veterinary and care purposes.
Tips for Best Results
- !
The calculator accounts for leap years automatically, so February 29 birthdays are handled correctly.
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Use the target date feature to calculate age at a future event like a wedding or graduation.
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For legal purposes, age is typically calculated based on the date of birth, not time of birth.
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The "hours lived" metric is a fun fact to share on milestone birthdays.
Why Use Our Age Calculator؟
Exact age in years, months, days
Total days, weeks, and hours lived
Next birthday countdown
Calculate age on any date
Free and instant