Pythagoras Calculator

Solve right triangle sides with the Pythagorean theorem. Choose the side you need, enter the other two values, and get the missing length instantly.

Use the Pythagorean theorem to solve for a missing right triangle side. Select the unknown side, enter the other two values, and calculate.

Solve for

Side a

Side b

Enter values and click Calculate

Pythagorean theorem

a^2 + b^2 = c^2