Pythagorean Theorem Calculator
For a right triangle, the hypotenuse squared equals the sum of both leg squares.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
For a right triangle, the hypotenuse squared equals the sum of both leg squares.
Worked example
Legs of 3 and 4 produce a hypotenuse of 5.
Keep in mind
Results are estimates; check the assumptions for your situation.