This sphere radius from surface area reference table shows the radius for a range of surface area values. Every figure is computed with the same engine that powers our Sphere Radius from Surface Area Calculator, so the numbers are exact.
| Surface area | Radius | Diameter |
|---|---|---|
| 79 | 2.507313 | 5.0146 |
| 160 | 3.568248 | 7.1365 |
| 240 | 4.370194 | 8.7404 |
| 310 | 4.966791 | 9.9336 |
| 470 | 6.115669 | 12.2313 |
| 630 | 7.080523 | 14.1610 |
| 940 | 8.648863 | 17.2977 |
| 1,600 | 11.283792 | 22.5676 |
| 2,200 | 13.231419 | 26.4628 |
| 3,100 | 15.706373 | 31.4127 |
How to use this table
Find the row closest to your surface area and read across to the radius. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Sphere Radius from Surface Area Calculator for a precise answer.
Need a value that is not in the table? — the Sphere Radius from Surface Area Calculator does it instantly, for free, with the formula and a worked example built in.
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