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Free Age Calculator - Calculate Exact Age from Birth Date

Calculate your exact age in years, months, and days. Free online age calculator to find precise age from date of birth.

How Age is Calculated

Age is calculated by finding the difference between your birth date and the target date.

The calculator accounts for leap years and varying month lengths to give you the most accurate result.

Total days and months are also calculated for situations where you need age in a single unit.

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How to use Free Age Calculator - Calculate Exact Age from Birth Date

1

Enter your date of birth

2

Optionally change the target date (defaults to today)

3

View your exact age in years, months, and days

4

See additional details like total days and next birthday

Why use this tool?

Precise Calculation

Get exact age down to the day

Multiple Formats

View age in different units

Next Birthday

See days until your next birthday

Free Age Calculator - Find Your Exact Age Online

Calculate your exact age down to the day, hour, and minute. Whether you need to know your official age for an application, how many days you have been alive, or how many weeks are left until your next birthday, our tool provides a comprehensive breakdown of your time on Earth. Simple, fast, and 100% private.

Quick How-To Guide

  1. 1Enter your Date of Birth using the calendar picker
  2. 2Set the "Age at the Date of" (usually defaults to today)
  3. 3Click "Calculate Age" to see your results
  4. 4View the detailed breakdown of your age in various units (days, months, etc.)
  5. 5Check the countdown timer to see when your next birthday arrives

Why use our tool?

High precision—calculates age in Years, Months, Weeks, Days, and even Minutes
Next Birthday countdown—see exactly how much time is left until your next celebration
Chronological age—handles leap years and different month lengths with perfect accuracy
Historical facts—optionally see which "Day of the week" you were born on
Privacy-first—we do not store or track birth dates; calculation happens locally
Universal Support—works perfectly on desktop, tablet, and mobile browsers

Frequently Asked Questions

Find answers to common questions about using our tool, its features, and how it handles your data privacy.

Our tool compared the birth date with the target date (usually today). It account for the number of years, then the remaining months, and finally the days, while correctly handling leap years (366 days) and months with 28 to 31 days.
While we usually think in years, our calculator gives you a "Total Weeks" count. This is often useful for development milestones, pregnancy tracking, or just a fun way to view your life span.
No. Privacy is our top priority. The date you enter is processed by your own web browser using JavaScript. It is never sent to our server, never stored in a database, and never used for advertising.
Once you enter your birth date, our tool identifies the specific weekday (e.g., Monday, Tuesday) for that date. It's a fun bit of trivia to share with friends and family!
Yes, the calculation follows standard chronological rules. However, always refer to the specific age requirements of the organization or government body you are dealing with, as they might have specific "cut-off" rules.
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