Hypotenuse Calculator

Enter leg lengths a and b to calculate c = √(a²+b²), area, perimeter, and acute angles.

Leg a

Leg b

5Hypotenuse c

6Area

12Perimeter

36.87° / 53.13°Acute angles

c=√(a²+b²)

Calculation breakdown & reusable snapshots

WebToolArc mirrors the current inputs and visible result so you can copy or save a local snapshot without changing the calculator’s original controls.

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Formula / rule: c = √(a² + b²) for a right triangle.
Interpretation: This formula applies only when the angle between the two legs is exactly 90°.

Recent saved snapshots

Formula and interpretation

c = √(a² + b²) for a right triangle.

This formula applies only when the angle between the two legs is exactly 90°.

Repeat-use support

The v11.09 snapshot panel stores only the snapshots you explicitly save in this browser using localStorage; nothing is uploaded to WebToolArc.