Pythagorean Theorem Calculator
Pythagorean Theorem Calculator: Calculate a right triangle's hypotenuse from its two perpendicular legs.
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator: Enter the lengths of the two sides meeting at a right angle. The hypotenuse is computed using √(a² + b²).
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How to use Pythagorean Theorem Calculator
Enter the lengths of the two sides meeting at a right angle. The hypotenuse is computed using √(a² + b²).
How Pythagorean Theorem Calculator calculates the result
For a right triangle with perpendicular legs a and b, hypotenuse c = √(a² + b²). The relationship does not apply to arbitrary non-right triangles.
Example
A right triangle with legs 3 and 4 has hypotenuse 5.
What to know
Valid only for right triangles. This calculates the hypotenuse, not a missing leg or a triangle with unknown angles. Use consistent units.