Hypotenuse of a Right Triangle with Legs 1 and 1
A right triangle with two legs of length 1 has a hypotenuse of √2 ≈ 1.41421.
How to use this tool
- Enter side a and side b in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your hypotenuse c and the full breakdown beneath it.
An isosceles right triangle with unit legs has a hypotenuse of √2, the most fundamental irrational length.
Frequently asked questions
- What is the Pythagorean theorem?
- For a right triangle with legs a and b, the hypotenuse c satisfies a² + b² = c². Classic example: 3² + 4² = 9 + 16 = 25 = 5².