Mean, Median & Mode Calculator

Three Types of Average

In statistics, "average" can mean different things depending on context. The three most common measures of central tendency are mean, median, and mode — each useful for different situations.

Mean (Arithmetic Average)

Formula: Mean = Sum of all values / Count of values

Example: {2, 4, 6, 8, 10} → Mean = 30/5 = 6

Best used when: data has no extreme outliers.

Median (Middle Value)

Sort values; the median is the middle value (or average of two middle values for even counts).

Example: {1, 3, 3, 6, 7, 8, 9} → Median = 6

Best used when: data is skewed by outliers (e.g., income data where a few very high earners distort the mean).

Mode (Most Frequent Value)

The value that appears most often. A dataset can have no mode, one mode, or multiple modes.

Example: {1, 2, 2, 3, 4} → Mode = 2

Best used when: finding the most typical value (e.g., shoe size, exam score).

Range

Range = Maximum value - Minimum value. Measures how spread out the data is.

Example: {3, 7, 15, 22} → Range = 22 - 3 = 19

Which Average Should You Use?

• House prices in a neighborhood → use median (outliers skew the mean)
• Student exam scores → use mean (normally distributed)
• Most popular product size → use mode

How to Use This Calculator

Using our calculator is simple: enter the required values into the input fields and click the calculate button. Results are displayed instantly on screen. You can adjust the values and recalculate to compare different scenarios and find the best option for your situation.

Frequently Asked Questions

Important Notes

This calculator is provided for informational purposes only. For legal, financial, or medical decisions, always seek advice from qualified professionals. Calculation results do not constitute official documents. Legislative changes may affect results; please visit the relevant official website for the most up-to-date information. Our calculators are regularly updated to reflect current regulations and rates.

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