Age Calculator
Calculate exact age in years, months, and days from any birth date, plus your next birthday countdown.
Enter a date of birth to see the exact age breakdown.
Free to use, no sign-up, no limit on how many times you run it.More calculators tools
Overview
This calculator works out exact age from a birth date, broken down into years, months, and days rather than a single rounded number.
- Exact breakdown in years, months, and days
- Shows total days lived
- Countdown to the next birthday
- Calculate age as of any reference date, not just today
How to use it
- 1Enter your date of birth
- 2Optionally change the 'calculate age at' date from today
- 3Read the exact age breakdown instantly
Tips
- — Useful for eligibility checks that require an exact age, like age-restricted sign-ups or legal deadlines
Frequently asked questions
Does this account for leap years?
Yes. The calculation uses full calendar dates, so leap years are handled automatically and won't throw off the result.
Can I calculate age as of a future or past date instead of today?
Yes — set the 'Calculate age at' field to any date to see what the age was, or will be, at that point.