This root mean square reference table shows the root mean square (rms) for a range of value 1 values, assuming a value 2 of 4 and a value 3 of 5. Every figure is computed with the same engine that powers our Root Mean Square Calculator, so the numbers are exact.
| Value 1 | Root mean square (RMS) |
|---|---|
| 0.75 | 3.7221 |
| 1.5 | 3.7969 |
| 2.3 | 3.9281 |
| 3 | 4.0825 |
| 4.5 | 4.5185 |
| 6 | 5.0662 |
| 9 | 6.3770 |
| 15 | 9.4163 |
| 21 | 12.6754 |
| 30 | 17.7106 |
How to use this table
Find the row closest to your value 1 and read across to the root mean square (rms). For a value between two rows, the real figure sits between them — or enter your exact numbers in the Root Mean Square Calculator for a precise answer.
Need a value that is not in the table? — the Root Mean Square Calculator does it instantly, for free, with the formula and a worked example built in.
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