Tool
Age Calculator
Calculate exact age from birth date.
Time & Date Tools
What this tool does
Enter a birth date to see age in years, months, and days as of today or a chosen date.
How to use
- Enter birth date.
- Optionally set an as-of date.
- View age breakdown.
Examples
Born Jan 1, 2000
Input: 2000-01-01
Output: 26 years (as of 2026)
Calculates full years, months, and days elapsed.
Common use cases
- Verify eligibility by age
- Calculate child age in months
- Fill forms requiring exact age
FAQ
Does it account for leap years?
Yes. Date math includes leap day handling.
Can I calculate age on a past date?
Set the as-of date to any reference point.
What date format is used?
Use the date picker or ISO-style date input.
Related tools
Last reviewed: 2026-05-23