Math & Statistics · Tool #24
Surface Area Calculator
Calculate surface area for common three-dimensional shapes.
Shape & Dimensions
Choose a solid and enter dimensions.
Surface area includes all exposed faces. For a cone, lateral area uses the slant height.
Surface Area Result
Total surface area and supporting measurement.
Surface area
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Shape
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Related value
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How to use this calculator
What to enter
Enter or select the following as requested: Shape. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The area result estimates the two-dimensional surface covered by the dimensions entered. Check the displayed unit (for example, square metres or square feet) and whether openings, slopes, or waste allowances are included.
When to use it
Use this to estimate surface area for planning, material quantities, space measurement, or land measurement. Confirm that all dimensions use compatible units.