Surface Area Calculator
Select a 3D shape and enter its dimensions to instantly calculate the total surface area.
Surface Area Calculator
Total Surface Area
Surface Area Formulas
Cube
SA = 6 × edge² Rectangular Prism
SA = 2(lw + lh + wh) Sphere
SA = 4 × π × radius² Cylinder
SA = 2πr(r + h) Cone
SA = πr(r + √(r² + h²))