Surface Area Calculator
Calculate surface area for common solids such as a cube, box, cylinder and sphere.
How to use this calculator
Enter the requested values, then select Calculate. Results are processed locally in your browser for this static website.
Accuracy notes
Results may be affected by rounding, unit conventions and the assumptions shown by the calculator. Verify important calculations independently.
What this calculator solves
Calculate surface area for common solids such as a cube, box, cylinder and sphere. This page provides the interactive calculation together with a plain-language explanation so the result can be checked against the underlying method.
Science and formulae
Surface area is the sum of the areas of all exposed faces or curved surfaces; the exact formula depends on the solid.
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