Age Calculator

Calculate exact age in years, months, and days. See total days, weeks, zodiac sign, and days until next birthday.

Enter a birth date and click Calculate

About Age Calculator

Enter your date of birth to calculate your exact age in years, months, and days. Also shows total days lived, total weeks, day of the week you were born, zodiac sign, and how many days until your next birthday. Optionally set a custom reference date.

Features

  • Exact age in years, months, and days
  • Total days, weeks, and months lived
  • Day of the week for birth date
  • Zodiac sign detection
  • Days until next birthday
  • Custom reference date support
  • 100% client-side — nothing is uploaded

How to use

  1. 1Enter your date of birth.
  2. 2Optionally set a reference date (defaults to today).
  3. 3Click Calculate to see your exact age and stats.

Frequently Asked Questions

How is the age calculated?
The calculator computes the difference in years, months, and days between the birth date and reference date, accounting for varying month lengths.
Can I calculate age on a past or future date?
Yes. Use the optional reference date field to calculate age as of any specific date.
How is the zodiac sign determined?
The zodiac sign is based on standard Western astrology date ranges using the birth month and day.
Is my data stored anywhere?
No. All calculations run entirely in your browser. Nothing is sent to any server.

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