Surface Area Calculator
Calculate surface area and volume of various 3D shapes
Select Shape
Choose the 3D shape to calculate
Dimensions
Enter dimensions for cube
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Shape Formulas
Cube: SA = 6a², V = a³
Sphere: SA = 4πr², V = (4/3)πr³
Cylinder: SA = 2πr(r+h), V = πr²h
Cone: SA = πr(r+l), V = (1/3)πr²h
Rectangular Prism: SA = 2(lw+wh+hl), V = lwh
Square Pyramid: SA = a²+2al, V = (1/3)a²h
Hemisphere: SA = 3πr², V = (2/3)πr³