What is an age calculator?
An age calculator calculates the time between a birth date and another date, usually today.
Date & Time
Age Calculator
Calculate your exact age from a date of birth. Get age in years, months, days, weeks, total days, and upcoming birthday information directly in your browser.
Tool
Age Calculator
Calculate your exact age from a date of birth. Get age in years, months, days, weeks, total days, and upcoming birthday information directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free age calculator to find the exact age between a date of birth and today or any selected date. It can show age in years, months, days, weeks, and total days lived.
Conversion Formula
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Age is calculated as the difference between the birth date and the selected target date. Full years and months are counted first, then the remaining days are calculated based on calendar month lengths.
Examples
- Born on 2000-01-01 = age from that date to today
- Calculate age on a future date such as 2030-12-31
- Show age as years and months, total weeks, or total days
Frequently Asked Questions
Can I calculate age on a specific date?
Yes. You can calculate age as of today or as of any selected date in the past or future.
Does the calculator show total days lived?
Yes. It can show age as calendar years and months as well as total days, weeks, or months.
Does it handle leap years?
Yes. Leap years and different month lengths are considered when calculating exact calendar age.
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