UnitCompiler
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Pythagorean Theorem Calculator

Solve for hypotenuse (c) or leg (a, b), triangle angles, perimeter, and area.

Pythagorean Theorem Calculator (a² + b² = c²)

Solve for hypotenuse or missing leg, right triangle angles, area, and perimeter.

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Solve For:
Pythagorean Triples:
Hypotenuse (c)
5
c = √(3² + 4²) = √(9 + 16) = √25 = 5
Area
6 sq units
Perimeter
12 units
Angle α (deg)
36.87°
Angle β (deg)
53.13°

Pythagorean Theorem Overview

a² + b² = c²  ⟹  c = √(a² + b²)  |  a = √(c² - b²)

The Pythagorean theorem states that in any right-angled triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two legs (a and b).