Cube Surface Area Calculator
Calculate the total surface area of a cube from its side length instantly with this free geometry calculator in your browser.
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How to use this calculator
- Enter the side length.
- Press Calculate.
How it works
Surface area = 6 × side² (six equal faces).
Worked example
2 m side. = 24 m².
Common mistakes
- Using side² (one face) instead of 6 × side² (all six faces).
- Confusing surface area with volume (side³).
Frequently asked questions
How do I find a cube's surface area?
A cube has six equal square faces, so surface area = 6 × side². For a 4 cm cube that is 6 × 16 = 96 cm².
How is it different from volume?
Surface area (6 × side²) is the total area of the faces; volume (side³) is the space inside.
Why multiply by six?
A cube has six identical square faces, so the total surface area is 6 × side².
Related tools
- Cube Volume Calculator
- Cylinder Surface Area Calculator
- Cone Surface Area Calculator
- Equilateral Triangle Area Calculator
- Regular Polygon Area Calculator
- Square Area Calculator
Explore more in Geometry, Shape, Area & Volume.
Cite this tool
Zerdly. (2026). Cube Surface Area Calculator. Retrieved from https://www.zerdly.com/tools/cube-surface-area-calculator/
Tip: Enter any known values to calculate the remaining results.
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