Online tool
Age calculator
Enter a birth date and calculation date. Today is used by default.
Age
36 years, 4 months, 3 days
Total days
13 272
FAQ
What if the birth date is after the calculation date?
The page shows a clear warning instead of an invalid result.
Do I need an account to use Age calculator?
No. It is free and works without registration.
Is my data sent to a server?
Calculations and conversions run locally in your browser. The only exception is the IP page, where the server returns your IP address.
Does it work on mobile?
Yes. The layout is responsive and works on phones, tablets, and desktop screens.