This surface to volume ratio of a sphere reference table shows the surface to volume ratio for a range of radius values. Every figure is computed with the same engine that powers our Surface to Volume Ratio of a Sphere Calculator, so the numbers are exact.
| Radius | Surface to volume ratio |
|---|---|
| 0.75 | 4.000000 |
| 1.5 | 2.000000 |
| 2.3 | 1.304348 |
| 3 | 1.000000 |
| 4.5 | 0.666667 |
| 6 | 0.500000 |
| 9 | 0.333333 |
| 15 | 0.200000 |
| 21 | 0.142857 |
| 30 | 0.100000 |
How to use this table
Find the row closest to your radius and read across to the surface to volume ratio. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Surface to Volume Ratio of a Sphere Calculator for a precise answer.
Need a value that is not in the table? — the Surface to Volume Ratio of a Sphere Calculator does it instantly, for free, with the formula and a worked example built in.
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