Harmonic Mean of Two Numbers Reference Values

Calculate the harmonic mean of two positive numbers using 2ab / (a + b).

Author

Dr. Mateo Silva Herrera

Math editorial contributor

Colombian urban planner with a PhD from UCL, designing resilient infrastructure for flood-prone cities

Reviewed for accuracy by

Dr. Isabella Rossi

Math content reviewer

Italian neuroscientist at Sapienza University of Rome, studying the neural mechanisms of bilingual language processing

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. All value pages
  2. Reference table
  3. FAQs
  4. Methodology and review
  5. Related conversions

Reference Value Index

This page lists 25 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Frequently Asked Questions

Frequently asked questions for Harmonic Mean of Two Numbers and its reference values.

What does the Harmonic Mean of Two Numbers calculator do?

It helps with averaging rates such as speeds or ratios when values are in the denominator.

What formula does the Harmonic Mean of Two Numbers calculator use?

Harmonic mean of two values = 2ab / (a + b).

What inputs are valid?

Both values should be positive for standard harmonic-mean calculations.

When would I use this?

averaging rates such as speeds or ratios when values are in the denominator

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

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