Harmonic Mean Calculator
Average positive rates for equal quantities.
Results and explanation
Enter your inputs to get started.
Numbers are processed locally. Results use floating-point arithmetic and up to 10 significant digits. List fields accept commas, spaces or line breaks.
How to use this calculator
Divide the count by the sum of reciprocals. Inputs must be positive.
Worked example
For 30 and 60, the harmonic mean is 2 ÷ (1/30 + 1/60) = 40. This suits speeds over equal distances.
Check the units and assumptions before using your result. Explore related calculators or read our statistics guides.