Online Age Calculator — Free Age Calculator in Years, Months, Days
What is an Age Calculator?
An age calculator computes the exact time difference between two dates — typically a birth date and today's date (or any other reference date). It breaks down the result into years, months, and days, and also shows the total number of days.
Why Use Our Age Calculator?
- Exact breakdown — Years, months, days, and total days
- Custom date ranges — Calculate age at any reference date
- Private — Your dates stay in your browser
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How to Use
- Enter your birth date (or any start date)
- Choose the end date (defaults to today)
- View your exact age in multiple formats
Frequently Asked Questions
How does the calculator handle leap years?
The calculator uses JavaScript's Date object, which correctly handles leap years and varying month lengths.
Can I calculate the age of an event or thing?
Yes. Use any start date and end date to calculate the exact time difference.