Harmonic Mean Calculator
Calculate Harmonic Mean
Formula
H = n / (1/x₁ + 1/x₂ + ... + 1/xₙ)
Frequently Asked Questions
When should I use the harmonic mean?
The harmonic mean is best for averaging rates or ratios. For example, if you drive 40 mph going and 60 mph returning over the same distance, your average speed is the harmonic mean: 2/(1/40 + 1/60) = 48 mph, not the arithmetic mean of 50.
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