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 the assumptions or options, 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 Age Calculator free?
Yes. The core tool is free to use without creating an account.
Do I need an account to use Age Calculator?
No. You can use the core Toolbox workflow without signing up.
Does Age Calculator work on mobile?
Yes. Toolbox is designed for modern mobile and desktop browsers, although complex file workflows can be easier on a larger screen.