Hemisphere Volume Calculator
Find the volume and surface areas of a hemisphere, half a sphere, from its radius. Enter radius to see volume, curved surface area and total surface…
8 of 8 free uses remaining today
Find the volume and surface areas of a hemisphere, half a sphere, from its radius. Enter radius to see volume, curved surface area and total surface area when you calculate.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (radius = 6), the results are: volume 452.389; curved surface area 226.195; total surface area 339.292.
Quick reference: radius vs result
Reference table based on the example values; it is not your calculation result.
| Radius | Volume | Curved surface area | Total surface area |
|---|---|---|---|
| 3 | 56.549 | 56.549 | 84.823 |
| 6 | 452.389 | 226.195 | 339.292 |
| 12 | 3,619.115 | 904.779 | 1,357.168 |
| 30 | 56,548.668 | 5,654.867 | 8,482.300 |
| 60 | 452,389.342 | 22,619.467 | 33,929.201 |
| 120 | 3,619,114.737 | 90,477.868 | 135,716.803 |
Frequently asked questions
What formula does this calculator use?
Volume = 2 ÷ 3 × pi × r^3; Curved surface area = 2 × pi × r^2; Total surface area = 3 × 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 = 6), the results are: volume 452.389; curved surface area 226.195; total surface area 339.292.
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