Age Calculator
Compute exact age from a birth date in years, months, and days. Enter your values, click Calculate, and get the full result with its breakdown — everything is processed on your device, nothing is sent to a server.
All calculations run in your browser. Your data is never sent to our servers.
Example
Example Input
born 2000-01-01, as of 2020-01-01
Example Output
20 years
How to Use
- 1Fill in each input field with the values you want to compute.
- 2If there are choices (units, mode, operation), pick what you need.
- 3Click the Calculate button (or press Ctrl+Enter).
- 4The main result and its breakdown appear in the Result area. Click Copy to copy it.
About the Age Calculator
The Age Calculator computes age from a birth date to today (or a given date) — broken down into years, months, and days, plus total days and months. The calendar math is accurate, accounting for each month's day count.
Useful for forms, age verification, and celebrations.
FAQ
Is this Age Calculator accurate?
Yes. It uses standard formulas and runs directly in your browser at full JavaScript precision (plus BigInt/decimal.js for large numbers where needed).
Is my data sent to a server?
No. All calculations happen entirely on your device. No values are sent to or stored on our servers.