Sphere Volume Calculator
Find the volume and surface area of a sphere from its radius. Enter the radius in any unit to get volume in cubic units and area in square units.
8 of 8 free uses remaining today
Find the volume and surface area of a sphere from its radius. Enter the radius in any unit to get volume in cubic units and area in square units.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (radius = 5), the results are: volume 523.599; surface area 314.159.
Quick reference: radius vs result
Reference table based on the example values; it is not your calculation result.
| Radius | Volume | Surface area |
|---|---|---|
| 2.5 | 65.450 | 78.540 |
| 5 | 523.599 | 314.159 |
| 10 | 4,188.790 | 1,256.637 |
| 25 | 65,449.847 | 7,853.982 |
| 50 | 523,598.776 | 31,415.927 |
| 100 | 4,188,790.205 | 125,663.706 |
Frequently asked questions
What formula does this calculator use?
Volume = 4 ÷ 3 × pi × r^3; Surface area = 4 × pi × r^2. Variables: r = radius.
What do I need to enter?
You need radius. Results update as you type.
What is an example result?
With the default inputs (radius = 5), the results are: volume 523.599; surface area 314.159.
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