Age Calculator
Work out exact age in years, months and days — plus birthday countdown. Calculate exact age from date of birth in years, months and days. Total weeks, days, next birthday countdown and fun stats. Free age calculator.
About the Age Calculator
How old were you exactly on 1 January 2020? Age seems simple until months have different lengths. This calculator counts exact years, months and days between a birth date and any reference date, then adds the totals — weeks, days, hours — and a countdown to the next birthday with the weekday it falls on. It handles leap years correctly and is handy for forms, school admissions, insurance and milestone planning.
How to use the Age Calculator
- Enter your date of birth.
- Optionally change the "age at" date — default is today.
- Read your exact age in the result tiles.
- Check the next birthday countdown for planning.
Key features
- Exact age in years, months and days
- Age at any past or future reference date
- Total weeks, days and hours lived
- Next birthday countdown with weekday
How is age in months calculated?
Does it handle 29 February birthdays?
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