Find the missing side of a right triangle instantly. Perfect for construction, navigation, game development, physics or just solving homework problems.
Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
First leg of the right triangle
Second leg of the right triangle
Leave empty to calculate
c² = a² + b² (c = hypotenuse)For missing hypotenuse: c = √(a² + b²). For missing leg: a = √(c² - b²).
Only valid for right triangles (90° angle)
No — only for right triangles. Use law of cosines for others.
Yes — calculator handles floating-point precision.