Age Calculator

Calculate your exact age in years, months, days, hours, and minutes.

How to Calculate Your Exact Age

  1. Enter your date of birth — click the date field and select your birth date.
  2. Set the calculation date — defaults to today, but you can change it to any past or future date.
  3. Click "Calculate Age" — your exact age appears in years, months, and days.
  4. View full breakdown — see your total age in days, weeks, hours, and minutes, plus how many days until your next birthday.

Frequently Asked Questions

How accurate is this age calculator?
It is accurate to the day. The calculator correctly handles leap years, months with different day counts, and computes exact years, months, and remaining days between any two dates.
Can I calculate my age on a different date?
Yes! Change the "Calculate on date" field to any past or future date to see what your age was or will be on that specific day. This is useful for legal age checks, retirement planning, or historical calculations.
How many days old am I?
After clicking Calculate, the result section shows your total age in days, weeks, hours, and minutes — not just years. For example, a 30-year-old is approximately 10,957 days old.
When is my next birthday?
The calculator shows a countdown in days to your next birthday. If today is your birthday, it will show 0 or 365 days (until the next one).
Why do age counting methods differ between countries?
Most countries use the Western method — counting from 0 at birth and incrementing on each birthday. Some East Asian traditions count age starting at 1 at birth. This calculator uses the international Western standard.