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Pythagorean Theorem
Hypotenuse from the two legs.
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c = √(a² + b²) for a right triangle.
About this tool
Enter the lengths of the two legs of a right triangle and get the hypotenuse. For example, legs 3 and 4 give a hypotenuse of 5.
How to use it
- 01
Enter the length of leg a.
- 02
Enter the length of leg b.
- 03
Read the hypotenuse c.
FAQ
Frequently asked questions
What formula does it use?
The Pythagorean theorem: c = √(a² + b²), where a and b are the legs and c is the hypotenuse.
Can I enter decimals?
Yes. Decimal lengths are accepted with a dot or a comma.