Chronos Age
Calculate your exact age down to the day and track your next milestone.
Your data is processed locally. We dont store your birthdate or any personal information on our servers.
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Enter your values to see the result
Real-time calculation enabled
About Age Calculator
Working out an exact age in years, months and days is more fiddly than it sounds, because months vary in length and leap years shift the count. Entering a date of birth gives the precise figure.
How to use it
- Enter the date of birth.
- Set the date to calculate to, if not today.
- Read the exact age.
Worth knowing
Calculations use whole calendar days, so a birthday counts on the day itself. Where an official form defines age differently, its definition governs.
Common questions
- Are leap years handled?
- Yes — the calculation works from the real calendar rather than assuming fixed-length years.
- Can I calculate to a past or future date?
- Yes, which is how you check an age as at a particular deadline.