Calculated result
Enter values and select Calculate.
Log-domain method
The result is exp[Σ ln(xᵢ)/n]. Calculating in the log domain avoids constructing a potentially overflowing product while retaining the same mathematical definition.
Worked example
For 1, 3, 9, and 27, the geometric mean is approximately 5.19615.
Positive-data boundary
Every observation must be strictly positive. Zero and negative values are rejected rather than silently transformed. The geometric mean is useful for multiplicative data but is not automatically appropriate for every dataset.