Why is surface area 6 × side²?

A cube has 6 identical square faces, and each square face has an area of side². Multiplying by 6 accounts for all faces.

Does the unit matter for the result?

The result is always in the same linear unit you entered, cubed for volume or squared for surface area — e.g., entering centimeters gives cubic centimeters and square centimeters.

Cube Volume & Surface Area Calculator

Given the length of one side, calculate a cube's volume (side³) and total surface area (6 × side²). Useful for packaging, storage, and geometry problems involving cubic shapes.

Inputs

Results

Volume: 64 cubic units
Surface Area: 96 square units

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Formula

Volume = side³, Surface Area = 6 × side²

Learn How This Works

Geometry Problem Solving: Cubes, Parallelograms, and Polygon Angles

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