Free Online Age Calculator

Calculate your exact age & birthday stats.

Enter your date of birth and click Calculate.

About the Age Calculator

This free online age calculator computes your exact age from any date of birth to any target date. It breaks down your age into years, months, and days with precise calendar arithmetic, accounting for varying month lengths and leap years.


Beyond your basic age, it shows fun statistics like total days lived, your day of birth, zodiac sign, and a countdown to your next birthday. Everything runs entirely in your browser — no data is sent to any server.

How to Use

  1. Enter Birth Date: Pick your date of birth using the date picker.
  2. Set Target Date: Defaults to today. Change it to calculate age at any point in time.
  3. Calculate: Click "Calculate Age" to see your exact age and stats.

Common Uses

  • Exact Age: Find your precise age for forms, applications, or curiosity.
  • Age Difference: Compare ages by calculating each person's age on the same date.
  • Birthday Countdown: See how many days until your next birthday.
  • Historical Dates: Calculate how old someone was on a specific date in history.