Pythagorean Theorem Calculator
Find c (hypotenuse)
Find leg (a or b)
Leg a
Leg b
Pythagorean triples (try one)
Integer triangles where a² + b² = c² exactly. Click to load:
3-4-5 (the classic)
→ 3² + 4² = 5²
5-12-13
→ 5² + 12² = 13²
8-15-17
→ 8² + 15² = 17²
7-24-25
→ 7² + 24² = 25²
6-8-10 (= 2 × 3-4-5)
→ 6² + 8² = 10²
9-12-15 (= 3 × 3-4-5)
→ 9² + 12² = 15²