QuickFreeTools

Online Pythagorean Theorem Calculator

Right triangle: enter two legs to get hypotenuse c = √(a²+b²), or enter hypotenuse and one leg to get the other leg.

Frequently Asked Questions

What is the Pythagorean theorem?
In a right triangle, a² + b² = c² where c is the hypotenuse and a, b are the legs.
How do I find the other leg?
Select 'Find leg' and enter the hypotenuse and the known leg; the other leg = √(c² - a²).

Related Calculators