This harmonic mean reference table shows the harmonic mean for a range of first number values, assuming a second number of 60. Every figure is computed with the same engine that powers our Harmonic Mean Calculator, so the numbers are exact.
| First number | Harmonic mean |
|---|---|
| 10 | 17.1429 |
| 20 | 30.0000 |
| 30 | 40.0000 |
| 40 | 48.0000 |
| 60 | 60.0000 |
| 80 | 68.5714 |
| 120 | 80.0000 |
| 200 | 92.3077 |
| 280 | 98.8235 |
| 400 | 104.3478 |
How to use this table
Find the row closest to your first number and read across to the harmonic mean. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Harmonic Mean Calculator for a precise answer.
Need a value that is not in the table? — the Harmonic Mean Calculator does it instantly, for free, with the formula and a worked example built in.
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