Calculators
Age Calculator
More than just a number - your exact age down to the day, plus the fun stats around it.
Pick your date of birth above to see your exact age.
Private by design: This tool runs entirely in your browser. Nothing you type or upload is sent to a server.
How to use Age Calculator
- Enter your date of birth. Pick the date from the calendar picker or type it.
- See your exact age. Years, months and days as of today - computed precisely, leap years included.
- Explore the extras. Total months, weeks, days and hours lived, the weekday you were born, and a live countdown to your next birthday.
Age Calculator Features
- Exact years / months / days
- Total months, weeks, days, hours
- Day of the week born
- Next birthday countdown
- Leap-year-correct math
- Optional 'age at date' comparison
Age Calculator Frequently asked questions
- By calendar math, not division: full years first, then remaining months, then days - with leap years handled by the real calendar. That's why it's exact, unlike dividing day counts by 365.
- Enter your birth date and the tool shows it - a fun one for birthday trivia and party planning.
- Yes - set a custom 'as of' date to find someone's age on a past or future date, useful for eligibility cutoffs and anniversaries.
- It doesn't, really - but it's satisfying to watch. The countdown ticks live down to your next birthday.
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