Surface Area Calculator (Cube, Cylinder, Sphere…)
Use this free surface area calculator to find the surface area of common solids — cube, rectangular prism, cylinder, sphere, cone, and square pyramid — with the formula used, the volume, and steps.
How to use it
- Pick the solid.
- Enter its dimensions.
- Press Find surface area.
Some formulas
Sphere: 4πr². Cylinder: 2πr² + 2πrh. Cone: πr² + πrℓ (slant ℓ). The tool also reports the volume.
Original price was: $109.99.$54.99Current price is: $54.99.
Related: the Volume Calculator and more free math calculators.
Frequently asked questions
Which solids are supported?
Cube, rectangular prism, cylinder, sphere, cone, and square pyramid.
Original price was: $109.99.$54.99Current price is: $54.99.
Does it also give the volume?
Yes — both surface area and volume are reported.
Original price was: $109.99.$54.99Current price is: $54.99.
What is slant height?
For a cone or pyramid, the distance along the slanted face from the base to the apex; the calculator computes it for you.
Original price was: $27.99.$17.99Current price is: $17.99.
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