Sphere Surface Area Calculator
Calculate sphere surface area from radius, diameter, great circle circumference, known surface area, or volume.
Sphere surface area from radius or diameter
The English intent is the full outside area of a sphere, not a hemisphere or dome. The calculator supports radius, diameter, great circle circumference, surface area, and volume inputs.
S — sphere surface area; r — radius.
S — sphere surface area; d — diameter.
V — sphere volume; r — radius.
Input modes
| Known value | What the calculator returns |
|---|---|
| Radius or diameter | Surface area, volume, and circumference. |
| Great circle circumference | Radius, diameter, surface area, and volume. |
| Known surface area or volume | Reverse calculation back to radius. |
Frequently Asked Questions
Sources and References
Calculations are based on the listed reference sources. Links open in a new tab.
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