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Arithmetic Mean of Two Numbers

Calculate the arithmetic mean of two numbers using (a + b) / 2.

Author

Prof. Anna Kowalska

Math editorial contributor

Polish biostatistician at the University of Warsaw, advancing Bayesian methods for clinical trial design

Reviewed by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

4 Value a; 6 Value b =

5

Representative value from the Arithmetic Mean of Two Numbers reference table.

Reference Values

Browse 25 reference values with individual detail pages for quick lookup.

Browse all reference values

Arithmetic Mean of Two Numbers

Calculate the arithmetic mean of two numbers using (a + b) / 2.

Calculated Result

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Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Arithmetic Mean of Two Numbers Reference
ScenarioArithmetic Mean
1 Value a; 2 Value b1.5
1 Value a; 3 Value b2
1 Value a; 6 Value b3.5
1 Value a; 12 Value b6.5
1 Value a; 24 Value b12.5
2 Value a; 2 Value b2
2 Value a; 3 Value b2.5
2 Value a; 6 Value b4
2 Value a; 12 Value b7
2 Value a; 24 Value b13
4 Value a; 2 Value b3
4 Value a; 3 Value b3.5
4 Value a; 6 Value b5
4 Value a; 12 Value b8
4 Value a; 24 Value b14
8 Value a; 2 Value b5
8 Value a; 3 Value b5.5
8 Value a; 6 Value b7
8 Value a; 12 Value b10
8 Value a; 24 Value b16
16 Value a; 2 Value b9
16 Value a; 3 Value b9.5
16 Value a; 6 Value b11
16 Value a; 12 Value b14
16 Value a; 24 Value b20

Frequently Asked Questions

Common questions about Arithmetic Mean of Two Numbers, formulas, and typical use cases.

What does the Arithmetic Mean of Two Numbers calculator do?

It helps with finding a simple average between two values in math, stats, and data checks.

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

Arithmetic mean = (a + b) / 2.

What inputs are valid?

Any two finite numbers are valid.

When would I use this?

finding a simple average between two values in math, stats, and data checks

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.

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