About this Age Calculator
This free age calculator tells you exactly how old you are — down to the day. Just enter your date of birth and hit calculate. You'll instantly see your age in years, months and days, along with handy totals like your age in weeks, days and hours, and a countdown to your next birthday.
How to use it
- Pick your date of birth in the first box.
- Leave the second box on today's date, or change it to find your age on any date.
- Tap Calculate Age — your full age breakdown appears instantly.
Frequently asked questions
Is this age calculator free?
Yes — 100% free, with no signup and no limits.
How is the age calculated?
It counts the full years, then the remaining months, then the remaining days between your birth date and the chosen date — the same way age is counted in real life.