Hypotenuse Calculator
Calculate the hypotenuse of a right triangle given two legs.
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isCalculator Editorial Team
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How to use this tool?
This calculator finds the hypotenuse of a right triangle using the Pythagorean theorem: c = √(a² + b²).
- Enter Leg A – Type the length of the first leg (any positive number).
- Enter Leg B – Type the length of the second leg (any positive number).
- Click “Calculate Hypotenuse” – The result appears below, showing the hypotenuse value and step-by-step calculation.
Note: Use any unit (e.g., cm, inches) as long as both legs are in the same unit. The result will be in that same unit.
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Frequently Asked Questions
The hypotenuse is the longest side of a right triangle, opposite the right angle.
Using the Pythagorean theorem: c = √(a² + b²), where a and b are the legs.
No, this calculator only works for right triangles.
