Calculate the hypotenuse of a right triangle instantly using the Pythagorean theorem. Enter two sides and get the hypotenuse, perimeter, area, and angles. Pure client-side.
Pythagorean theorem: a² + b² = c²
Perimeter: a + b + c
Area: (a × b) / 2
This hypotenuse calculator uses the Pythagorean theorem (a² + b² = c²) to find the hypotenuse of a right triangle. It also calculates the perimeter, area, and all three angles. All calculations happen in your browser — no data is sent to any server. Perfect for students, teachers, engineers, and anyone who needs quick right triangle calculations.