Circle calculator
Calculate the area and circumference from a radius.
Open calculatorShapes & spaces
Work out areas, volumes and dimensions with confidence.
Showing 1–8 of 8 tools
Rectangle calculator
Find area, perimeter and diagonal from two side lengths.
Open calculatorTriangle area calculator
Find triangle area using a base and perpendicular height.
Open calculatorPythagorean theorem calculator
Find the hypotenuse of a right triangle.
Open calculatorSphere calculator
Find the volume and surface area of a sphere.
Open calculatorCylinder calculator
Calculate the volume and total surface area of a right circular cylinder.
Open calculatorCone volume calculator
Find the volume of a cone from its base radius and height.
Open calculatorCuboid calculator
Find the volume and surface area of a rectangular box.
Open calculator