Harmonic Mean of Two Numbers
Calculate the harmonic mean of two positive numbers using 2ab / (a + b).
Table of Contents
4 Value a; 6 Value b =
4.8
Representative value from the Harmonic Mean of Two Numbers reference table.
Reference Values
Browse 25 reference values with individual detail pages for quick lookup.
Harmonic Mean of Two Numbers
Calculate the harmonic mean of two positive numbers using 2ab / (a + b).
Calculated Result
—
Reference Table
Use this complete table for quick lookup and internal linking to specific value pages.
| Scenario | Harmonic Mean |
|---|---|
| 1 Value a; 2 Value b | 1.333333 |
| 1 Value a; 3 Value b | 1.5 |
| 1 Value a; 6 Value b | 1.714286 |
| 1 Value a; 12 Value b | 1.846154 |
| 1 Value a; 24 Value b | 1.92 |
| 2 Value a; 2 Value b | 2 |
| 2 Value a; 3 Value b | 2.4 |
| 2 Value a; 6 Value b | 3 |
| 2 Value a; 12 Value b | 3.428571 |
| 2 Value a; 24 Value b | 3.692308 |
| 4 Value a; 2 Value b | 2.666667 |
| 4 Value a; 3 Value b | 3.428571 |
| 4 Value a; 6 Value b | 4.8 |
| 4 Value a; 12 Value b | 6 |
| 4 Value a; 24 Value b | 6.857143 |
| 8 Value a; 2 Value b | 3.2 |
| 8 Value a; 3 Value b | 4.363636 |
| 8 Value a; 6 Value b | 6.857143 |
| 8 Value a; 12 Value b | 9.6 |
| 8 Value a; 24 Value b | 12 |
| 16 Value a; 2 Value b | 3.555556 |
| 16 Value a; 3 Value b | 5.052632 |
| 16 Value a; 6 Value b | 8.727273 |
| 16 Value a; 12 Value b | 13.714286 |
| 16 Value a; 24 Value b | 19.2 |
Frequently Asked Questions
Common questions about Harmonic Mean of Two Numbers, formulas, and typical use cases.
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
This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.
Editorial metadata (author, reviewer, and update date) is rendered on the page and in structured data. See our editorial policy, review process, and corrections policy.
For compliance-sensitive work, verify final values against project requirements, governing standards, and manufacturer documentation.