Age Calculator

Free age calculator. Find your exact age in years, months, and days from your birthdate. Also shows age in weeks, hours, and minutes.

Calculate your exact age down to the day. Enter your birthdate and see your age broken down into years, months, days—plus fun statistics like total weeks lived, hours, and even heartbeats.

Common use cases

  • Calculating exact age for official documents
  • Determining eligibility ages for programs
  • Birthday celebrations and milestones
  • Parents tracking children's development ages
  • Genealogy research

How to use

  1. Enter your date of birth
  2. Optionally specify a target date (defaults to today)
  3. View your age in years, months, and days
  4. Explore additional breakdowns (weeks, hours, etc.)
  5. See fun facts about your age

FAQ

How is age calculated exactly?

Age counts complete years from birthdate to now, then remaining complete months, then remaining days.

What about leap year birthdays?

February 29 birthdays are handled correctly, with the birthday falling on Feb 28 or Mar 1 in non-leap years.

Can I calculate age on a future date?

Yes, set any target date to see what your age will be on that day.