Calculate the surface area of 5 common 3D shapes — cube, rectangular prism, sphere, cylinder, and cone. Istantaneo results with formulas shown. Puro client-side.
Cube: 6 × side²
Sphere: 4 × π × radius²
Cylinder: 2πr(r + h)
This surface area calculator computes the surface area and volume of 5 common 3D geometric shapes. Simply select a shape, enter the required measurements, choose your unit system, and get instant results with the formula used. All calculations happen in your browser — no data is sent a any server. Perfect for students, engineers, designers, and anyone who needs quick 3D geometry calculations.