Pythagorean Theorem Calculator
Choose a mode and enter the known sides to solve for the missing length.
Pythagorean Theorem Calculator
Choose a mode and enter the known sides to solve for the missing length.
Calculate circle area and circumference from radius, diameter, or circumference
Compute cone volume from radius and height.
Compute cube volume and related measurements from side length.
Compute cylinder volume and surface area from radius and height.
Compute the area of an irregular polygon using the shoelace formula.
For a right triangle, the squares of the two legs add up to the square of the hypotenuse.
Use c = √(a² + b²) to find the hypotenuse or b = √(c² - a²) to find a missing leg.