Harmonic Mean Calculator

Calculate the harmonic mean H = n / (Σ (1 / xᵢ)) for rates, ratios, and speeds.

How It Works & Processing Standards

Enter values above to calculate results automatically. Check each input field for guidance and units.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Harmonic Mean Calculator is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Harmonic Mean Calculator

  1. 1
    Enter Positive RatesType numbers list.
  2. 2
    Calculate Harmonic MeanDivide count n by sum of reciprocals.
  3. 3
    Read Harmonic MeanView calculated average rate.

Common Use Cases

  • Calculating true average round-trip travel speeds across equal distances
  • Averaging financial valuation multiples such as P/E ratios
Have feedback or ideas for this tool? Suggest & Inquire →