Right Triangle Calculator Online -calculates angles and sides of right triangle, draws image of your triangle

Right Triangle Calculator

Free online calculator will calculate the side lengths and angles for any right triangle. Just input any valid combination of sides and/or angles, and let then us do the rest! This free tool also draws a downloadable image of your triangle..

How to Enter Numbers

You have two choices

input the lengths of 2 sides (Does not matter which two sides)

Input the measure of 1 angle and 1 side.

Sides

Side AB:
Side BC
Side AC

Angles

Round Triangle's Angles/Sides to
Picture of Right Triangle