Hypotenuse Calculator
Find the hypotenuse of a right triangle: c = √(a² + b²).
Input Data
One leg.
The other leg.
Results
5
Hypotenuse c = √(a²+b²) = 5.
At a glance:Right triangle hypotenuse c = √(a² + b²) (Pythagorean theorem).
Formula
c = √(a² + b²).
How to Use
- Enter the two legs a, b.
- The tool returns hypotenuse c.
Case Studies
a=3, b=4 → 5
c = √(9+16) = 5.
FAQ
Find a leg from hypotenuse?
a = √(c² − b²); see pythagorean.
Applies to?
Right triangles only.
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References
Content reviewed by the Calculatorism editorial team. Results are for reference only; please refer to the relevant authorities for the official figures.