# Geometric and Harmonic Mean Calculator

> Geometric mean calculator: compute geometric and harmonic means for growth rates, investment returns, and ratios. Free, private, runs locally, no signup.

- **Canonical URL:** https://boringtoolskit.com/geometric-mean-calculator/
- **Category:** Statistics
- **Evidence level:** catalogue
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

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