Age Calculator
Calculate exact age in years, months and days plus total days and next birthday.
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
Start with the inputs shown above, review any options or assumptions, then generate the result. Where the tool creates a file, keep the original until you have opened and checked the downloaded output.
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.