Right Triangle Calculator

Fill in any two of rise, run, diagonal or angle — get the rest. Great for squaring. Free, no sign-up.

Fill in any two boxes and leave the others empty. To square a deck or foundation, enter the two sides and measure the diagonal — if it matches, the corner is square.

The angle is between the run (level side) and the diagonal.

Taulien Construction · Fredericton, New Brunswick · info@taulien.com · 506-230-5131