Harmonic mean of two rates
Maths / FREE CALCULATOR
Average two positive rates using the harmonic mean.
Your answer starts here.
Enter your values and select Calculate to see the result and any available breakdown.
How to use this calculator
- Enter first positive rate. Use the unit shown beside the field.
- Enter second positive rate. Use the unit shown beside the field.
- Select Calculate and review the result. Select Reset to restore the example inputs.
How the calculation works
2/(1/First positive rate+1/Second positive rate)
Worked example
First positive rate = 30; Second positive rate = 60. Result: 40.
Understand your result
Average two positive rates using the harmonic mean. The result is expressed in the same currency or unit as the monetary inputs.
Assumptions and limitations
Appropriate only when reciprocal weighting matches the problem, such as equal-distance speeds. Results are rounded for display.
Questions about this tool
What does this tool calculate?
Average two positive rates using the harmonic mean.
What should I check before using the answer?
Appropriate only when reciprocal weighting matches the problem, such as equal-distance speeds.
Related guides
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