CalculatorMath

Pythagorean Theorem Calculator

Find the hypotenuse of a right triangle from its two positive perpendicular sides. Sides 3 and 4 give a hypotenuse of 5. Use the same unit for both sides.

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Input

Enter your values

Perpendicular side a

Perpendicular side b

Method

How it works

Change any input above and the result updates instantly. The formula or method used by this tool is shown below.

c = √(a² + b²).

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Quick answers

About this tool

What does the Pythagorean Theorem Calculator do?+

Find the hypotenuse of a right triangle from its two positive perpendicular sides. Sides 3 and 4 give a hypotenuse of 5. Use the same unit for both sides.

How does this calculator calculate the result?+

It uses this method: c = √(a² + b²).

Are my inputs saved or sent to an account?+

Core CalcWorkspace tools require no account, and most calculations run locally in your browser. Favorites and recent-tool history, when used, stay in this browser.