±Free
Sphere volume and surface
Calculate volume and surface area from a sphere radius.
Enter the positive radius of a sphere. The tool applies the standard sphere formulas and returns volume in cubed length units and surface area in squared length units.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Radius: 1
Example result
{
"volume": 4.18879020479,
"surfaceArea": 12.5663706144
}Limitations and details
The input is radius, not diameter; this models an ideal sphere and does not subtract a hollow interior.
Inputs and options
- Radius
- Number
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.