Surface Area Calculator
Calculate the surface area of common 3D solids.
About the Surface Area Calculator
Cube 6a²; sphere 4πr²; cylinder 2πr² + 2πrh (two caps plus the tube); cone πr² + πr√(r²+h²) (base plus the slanted side); box 2(lw + lh + wh).
Calculate the surface area of common 3D solids.
Cube 6a²; sphere 4πr²; cylinder 2πr² + 2πrh (two caps plus the tube); cone πr² + πr√(r²+h²) (base plus the slanted side); box 2(lw + lh + wh).