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Free online tool

Harmonic Mean Calculator

Calculate the harmonic mean of positive non-zero values.

Reviewed/updated September 8, 2026
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What is the Harmonic Mean Calculator?

Calculate the harmonic mean of positive non-zero values. ITS Research Solution keeps the interactive tool above the explanation so you can calculate first and then review the method used.

Formula or method

Harmonic mean = n / Σ(1/x).

How to use this tool

Enter the requested values using consistent units, run the calculation and review the main result plus any supporting values. For rates measured over equal distances, the harmonic mean can be more appropriate than the arithmetic mean.

Interpretation and limitations

All entered values must be greater than zero. Always check source data, units, rounding and discipline-specific requirements before using a result in assessed, published, regulated or high-stakes work.

Questions

Frequently asked questions

How is this result calculated?

Harmonic mean = n / u03a3(1/x).

Can I use this result in formal academic or research work?

Use it as a transparent calculation aid, then verify the assumptions, units, rounding and any institution-, journal- or field-specific requirements before formal use.