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Math Calculators

Pythagorean Theorem Calculator

Calculate the hypotenuse of a right triangle given the lengths of the two legs, each in the unit of your choice.

Hypotenuse (c)
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About the Pythagorean Theorem Calculator

The Pythagorean theorem relates the three sides of a right triangle: the square of the hypotenuse equals the sum of the squares of the two legs. Each leg has its own unit selector, and so does the hypotenuse — mix units freely and the calculator converts everything automatically.

Formula: a² + b² = c², so c = √(a² + b²)

One of the most widely used formulas in geometry, construction, navigation and physics.

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