Geometric Mean Calculator
Average multiplicative values. Requires positive numbers.
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
Multiply positive values and take the root corresponding to the number of values.
Worked example
For 2 and 8, the geometric mean is √16 = 4. Convert returns to growth factors first.
Check the units and assumptions before using your result. Explore related calculators or read our statistics guides.