Pythagorean Theorem Calculator

Free Pythagorean theorem calculator. Find the hypotenuse or missing side of a right triangle using a² + b² = c² with steps.

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Common Use Cases

  • checking formulas and intermediate answers
  • supporting homework or exam preparation
  • validating manual calculations quickly

What is Pythagorean Theorem Calculator?

The Pythagorean theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

How to Use This Tool

  1. 1Enter any two sides of the right triangle
  2. 2The missing side is calculated automatically
  3. 3View the formula and step-by-step solution

Example

Input

a=3, b=4

Output

c=5

Before You Rely on This Result

UtilityNest keeps this tool simple on purpose: the goal is to make the task easy to understand, fast to complete, and straightforward to double-check.

  • Review the inputs once more before you copy, save, or share the result.
  • Use the example and FAQ on this page to sense-check how the tool behaves.
  • When the result matters, compare one more scenario or related tool before acting on it.

Frequently Asked Questions