Sphere Volume & Surface Area Calculator
Calculate a sphere's dimensions, surface area, and volume from any supported measurement.
How to Use
- Select a known sphere measurement, enter it with a length unit, and choose decimal precision.
Assumptions and Limits
The shape is a perfect sphere. Surface area uses square units and volume uses cubic units.
Method
surface area = 4πr²; volume = 4/3 × πr³.
Examples
Example
A 10 cm radius sphere has about 4,188.79 cm³ of volume.
Result: The calculator updates its results immediately from these inputs.
Frequently Asked Questions
What does the Sphere Volume & Surface Area Calculator estimate?
Circumference refers to the great-circle circumference around the sphere.