Age Calculator
Age Calculation Method
Frequently Asked Questions
We use the Gregorian calendar and international standard method to calculate your exact age in years, months, days, etc.
Yes, you can select any valid date range to calculate the age difference.
Yes, this tool is 100% free to use, no registration required.
This calculator uses the international standard (Gregorian calendar) to compute age. The calculation is as follows:
- Age (years) = Until Year - Birth Year.
- If the until date's month and day are before the birth month and day, subtract one year.
- Detailed results include total years, months, weeks, days, minutes, and seconds.
All calculations are based on the Gregorian calendar. Other calendars (e.g. Lunar, Hijri) are not supported.