Online Surface Area Calculator
Surface area of cube (side), sphere (r), cylinder (r, h), or cone (r, h). Select shape and enter dimensions.
Frequently Asked Questions
- What shapes are supported?
- Cube (6s²), sphere (4πr²), cylinder (2πr² + 2πrh), cone (πr² + πr√(r²+h²)).
- What units should I use?
- Use any consistent units (e.g. cm). The result is in square units of that measure.
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