Age Calculator

Calculate exact age in years, months, and days from a birth date.

Enter a date of birth to calculate exact age in years, months, and days as of today (or any date you choose), along with total days lived.

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Age Calculator tool

How to Use Age Calculator

  1. Enter a date of birth.
  2. Optionally change the 'as of' date.
  3. View the calculated age breakdown.

Features

  • Exact years, months, and days
  • Total days lived
  • Custom 'as of' date
  • Instant calculation

Frequently Asked Questions

Does this account for leap years?

Yes, the calculation is based on actual calendar dates, which correctly accounts for leap years.