Age Calculator
Calculate exact age from a date of birth. Free, instant and built to work well on phone or desktop.
Your ageChoose your date of birth
Why use this age calculator?
Age Calculator converts a date of birth into completed years and months using the current date in your browser.
Example
Use it for a quick age check without manually counting whether the birthday has already occurred this year.
Important note
This is a convenience calculation. Official eligibility rules can use specific cutoff dates or legal definitions of age.
How to use it
Enter, paste or select the information requested above. The result updates in your browser, and you can change the inputs as many times as you need.
Frequently asked questions
Is this tool free?
Yes. The core tool is free to use.
Do I need an account?
No. You can use it without signing up.
Does it work on mobile?
Yes. Toolbox is designed for modern mobile and desktop browsers.