Geometric Mean Calculator
Calculate the geometric mean of three positive numbers — the right average for growth rates and ratios.
Formula: G = ∛(a × b × c)
About Geometric Mean Calculator
Geometric Mean Calculator is a free online calculator that gives you an instant, accurate result as you type. Calculate the geometric mean of three positive numbers — the right average for growth rates and ratios.
The calculation uses the standard formula G = ∛(a × b × c) and updates live with every change to the inputs. Everything runs client-side in your browser — fast, private, and free to use as often as you like.
The geometric mean of n numbers is the nth root of their product, and it is what compound annual growth rates are built on.
Frequently Asked Questions
Is Geometric Mean Calculator free to use?
Yes. Geometric Mean Calculator is completely free, with no sign-up, no downloads, and no usage limits. You can use it as many times as you like on any device with a web browser.
How accurate is this calculator?
The calculator applies the standard formula (G = ∛(a × b × c)) with full floating-point precision and rounds only the displayed result. For most practical purposes the results are exact.
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