Age Calculator
Your exact age in years, months and days, as of any date you choose.
Born
as of
How age is calculated
Full calendar years, months and days between the two dates — not just a division of total days, so it correctly accounts for different month lengths and leap years.
Example: born on 15 March 2000, as of 6 September 2026 → 26 years, 5 months, 22 days.
Frequently asked questions
Yes — the calculation works with actual calendar dates, so February 29th and varying month lengths are handled correctly.
Yes, set the "as of" date to any date after the birth date — useful for working out age at a future event.