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Age Calculator

Calculate exact age in years, months, days — and more

Browser-based, files never uploaded Instant results Works on any device

How to use Age Calculator

  1. 1Enter your date of birth
  2. 2Optionally change the "as of" date
  3. 3Get exact age in years, months, days
  4. 4See zodiac sign and next birthday

About this tool

Calculate your exact age in years, months, and days. Find zodiac sign, day of birth, next birthday countdown, and total days lived.

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Frequently asked questions

Can I calculate age as of a past date?

Yes — change the "as of" date to calculate age at any point in time.

What zodiac sign calculator does it use?

Western (tropical) zodiac system.