Surface Area Calculator

Calculate the surface area of various 3D shapes.

Select Shape

3D Shape

Dimensions

Side

Surface Area Formulas

Cube: SA = 6s²

Sphere: SA = 4πr²

Cylinder: SA = 2πr(r + h)

Cone: SA = πr(r + l)(l = slant height)

Related Calculators

Calculate area, perimeter, angles, and sides of any triangle given known values.

Solve right triangles - find missing sides and angles using trigonometry.

Calculate the missing side of a right triangle using a² + b² = c².

Surface Area Result

SA = 6s²

Surface Area150 sq units

Volume125 cubic units