Harmonic mean

Harmonic mean: use observations. Review the formula, worked example and calculation steps.

Inputs

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RESULT
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Formula & explanation
HM = n / Σ(1/x)

Variables & units

Observations
comma separated

Worked example

For 3 and 6, the harmonic mean is 4.

Assumptions

The harmonic mean is useful for rates with equal numerator quantities, such as equal distances.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

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