Geometry
Area, perimeter, volume and surface area for every common shape.
14 calculators · 14 ready to use
Pythagorean Theorem Calculator
popularSolve for any side of a right triangle with a² + b² = c².
Triangle Calculator
Area, perimeter, angles and height from sides or angles.
Circle Calculator
Area, circumference, diameter and arc length from any one value.
Rectangle Calculator
Area, perimeter and diagonal of a rectangle or square.
Trapezoid Calculator
Area, perimeter and median of a trapezoid.
Sphere Calculator
Volume and surface area of a sphere from radius or diameter.
Cylinder Calculator
Volume, lateral and total surface area of a cylinder.
Cone Calculator
Volume, slant height and surface area of a cone.
Cube & Box Calculator
Volume, surface area and diagonal of a cube or cuboid.
Area Calculator
popularArea of any common 2D shape in one place.
Volume Calculator
Volume of any common 3D solid in one place.
Distance & Midpoint Calculator
Distance, midpoint and slope between two coordinate points.
Slope Calculator
Gradient, angle and line equation from two points.
Polygon Calculator
Interior angles, area and perimeter of any regular polygon.