Surface Area Calculator

Fast, accurate surface areas for popular 3D shapes. Pick a shape, enter your measurements, choose units, and get step‑by‑step workings. Built with an artful, responsive design suitable for blogs.

1) Choose a shape

None

2) Enter measurements

Units mm cm m in ft

Decimals 0 1 2 3 4

3) Results & Steps

Ready

Surface Area

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Formula

Select a shape to see the formula.

Working

Fill the inputs and press Calculate.

Tip: "Print / Save PDF" uses your browser’s print dialog for a clean export. CSV downloads your entries and result for spreadsheets.

Surface Area Calculator • v1.0