Shape Calculator

Pick a shape, type its sizes, and see the diagram and the answer.

All sizes are in cm. Answers are in cm² or cm³.

Pick a shape to start.

How it works

Area is the space inside a flat shape, perimeter is the distance around it, volume is the space inside a solid shape, and surface area is the area of all its faces. The diagram redraws to match the sizes you type, so you can see which size changes which side.

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