Age Calculator
Calculate your age in years, months, and days from any birth date.
Find exact age from birth date.
How to use
- Enter your date of birth using the date picker.
- Optionally set a reference date (defaults to today).
- View your exact age in years, months, and days.
- Change dates to calculate age as of any point in time.
About Age Calculator
Find exact age from birth date.
Runs in your browser — your files and input stay on your device.
Frequently asked questions
Is my birth date uploaded?
No. The calculation runs locally in your browser.
Can I calculate age on a past or future date?
Yes. Set a custom reference date if the tool allows it.
Does it account for leap years?
Yes. The calculator uses standard calendar date math.