Date difference
Count calendar days and weeks between two dates.
Date & timeAge calculator
Calculate completed years and total days between a birth date and another date.
Input
Result
Your result will appear here
How to use age calculator
Set Birth date, As of date. Select Run tool, then review the result. Use the download or copy controls to keep it. Reset restores the starting settings and clears the result.
Your files stay here
Inputs are processed in your browser and are not uploaded to an Everytool server. Results last until you reset or leave this page. Favorites and recently used tool names are saved only in this browser.