Pythagorean Theorem — Hypotenuse Calculator
Calculate the hypotenuse of a right triangle.
Enter the two legs and we'll calculate the hypotenuse.
unit
unit
Result
5 br
Hypotenuse (c): 5 unit
Result in all units
Step-by-step solution
c = √(a² + b²)
What Is the Pythagorean Theorem?
The Pythagorean theorem states that in a right triangle the square of the hypotenuse equals the sum of the squares of the other two sides. It is frequently used in geometry and measurement problems.
How is it calculated?
How Is Pythagoras Calculated?
c = √(a² + b²)
- Enter the lengths of the legs (a and b).
- The hypotenuse is found as the square root of the sum of the squares.
For example, with 3 and 4: √(9 + 16) = √25 = 5.
Frequently Asked Questions
If I know one side and the hypotenuse, can I find the other side?
Yes; the unknown leg is found with the formula b = √(c² − a²).