Skip to main content

Age Calculator

Calculate an age from a birth date in calendar years, months and days, plus the total number of days.

How to Use

  1. 1Open the Age Calculator calculator.
  2. 2Enter your values into the labeled fields.
  3. 3The result updates instantly as you change a value.
  4. 4Review the displayed result and any assumptions or limitations shown by the tool.

About this tool

Calculate age from a birth date in calendar years, months and days, plus total elapsed days, directly in your browser.

Frequently Asked Questions