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Free Surface Area Calculator
Calculate surface area of 3D shapes including cubes, spheres, cylinders, and cones.
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CalculateQuick Answer
Surface area formulas: Cube = 6s², Sphere = 4πr², Cylinder = 2πr² + 2πrh. Surface area is total outside area.
Key Facts about Surface Area Calculator:
- Cube: 6s²
- Sphere: 4πr²
- Cylinder: 2πr² + 2πrh
- Cone: πr² + πrs
- Used for painting, packaging
Why Use Our Surface Area Calculator?
Surface area tools:
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Multiple Shapes
All common 3D shapes.
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Formulas
Shows formulas used.
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Unit Conversion
Multiple units.
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Step-by-Step
See calculation.
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Instant
Quick results.
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Private
Data stays secure.
How to Surface Area Calculator in 3 Easy Steps
Calculate surface area:
1
Select Shape
Choose 3D shape.
2
Enter Dimensions
Input measurements.
3
Get Area
See surface area.
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Surface Area
3D shape calculations
Frequently Asked Questions
Everything you need to know about our surface area calculator
What is surface area?
Total outside area of a 3D object.
Total area of all outer surfaces of a 3D object.
Still have questions? Try the tool yourself!
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