About Age Calculator
The Age Calculator instantly computes your exact age in years, months and days based on your date of birth. It also shows the total number of days you have lived, accounting correctly for leap years and varying month lengths.
How To Use Age Calculator
- Select your date of birth using the date picker.
- Optionally change "Age as of" if you want your age calculated for a specific future or past date (defaults to today).
- Click "Calculate" to instantly see your exact age breakdown.
Benefits
- Get precise age results down to the exact day.
- Useful for school admissions, government forms, and eligibility checks.
- Works entirely in your browser — completely private.
- No signup or installation required.
Frequently Asked Questions
How accurate is this age calculator? add
It calculates your exact age down to the day using precise calendar date math, accounting for leap years automatically.
Can I calculate age as of a future date? add
Yes, you can set the "Age as of" date to any date, not just today.
Is my date of birth stored anywhere? add
No. All calculations happen instantly in your browser — nothing is sent to our server.