Age Calculator
Exactly how old are you? Get your age in years, months, and days — plus fun extras.
- Free forever
- No data collected
- Works offline
What Does This Age Calculator Do?
This tool computes your exact age as of today (or any date you choose) in years, months, and days, using the same calendar-aware math as our age difference calculator. It also shows how many days you have lived, when your next birthday is, the day of the week you were born, and both your Western and Chinese zodiac signs.
How to Use
- Enter your date of birth.
- Optionally set the "as of" date to calculate your age on a specific day.
- Read your exact age and the extras below the result.
The Formula
Your age is the calendar difference between your birth date and the reference date:
Examples
Click any example to try it:
Frequently Asked Questions
How is my exact age calculated?
Your age is the calendar difference between your date of birth and today (or any date you choose), expressed in years, months, and days. The same calendar-aware math is used to compute the age difference between two people.
Why does my age show months and days, not just years?
Many situations need precise age — eligibility rules, milestones, or simple curiosity. Showing years, months, and days removes the rounding ambiguity of 'years only'.
What do the zodiac signs mean?
The Western zodiac is based on the position of the sun at your birth, while the Chinese zodiac assigns an animal to each year in a 12-year cycle. They are shown for fun and are not used in any calculation.