About

Right triangle calculator

Find the hypotenuse, area, and perimeter from two perpendicular sides.

Input

Runs on your device

Result

Your result will appear here

How to use right triangle calculator

Set Side A, Side B. Select Calculate, 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.