Surface Area Calculator
Calculate the surface area of common 3D shapes including cubes, spheres, cylinders, cones, and rectangular prisms.
Published by:
isCalculator Editorial Team
Reviewed by:
Review Board
Last Updated:
Was this calculator helpful?
How to use this tool?
Surface Area Calculator – Quick Guide
- Select a shape from the dropdown (Cube, Sphere, Cylinder, Cone, or Rectangular Prism). The input fields will update automatically.
- Enter the required dimensions in the number fields. All values must be positive numbers (e.g., 5, 3.2). The calculator works with any unit (cm, inches, etc.) – just stay consistent.
- Click "Calculate Surface Area". The result will display the surface area in square units, along with the formula used.
- If you see an error, check that all fields contain valid positive numbers and try again.
Tip: Use the same unit for all measurements (e.g., all in cm) to get the area in square units (e.g., cm²).
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
It supports cubes, spheres, cylinders, cones, and rectangular prisms.
The result is given in square units, consistent with the input units (e.g., if you input in meters, the area is in square meters).
Yes, you can input decimal numbers for more precise calculations.
