Statistics & Probability

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Range Calculator.

Calculate minimum, maximum, and range from a data set.

On-device calculationNo signup
01

Set your values

Results update as you type.

minimum: 4

minimum

4.000000
maximum: 42

maximum

42.000000
range: 38

range

38.000000
count: 6

count

6.000000

Results update automatically as you type.

Use Cases

Quick Data Spread Analysis

Use this calculator to quickly find the spread of a small data set, such as test scores, temperatures, or sales figures. It helps you understand the variability at a glance.

Example: Enter: 12, 15, 18, 22, 25 → Min: 12, Max: 25, Range: 13

Quality Control Check

In manufacturing or quality control, monitoring the range of measurements can help detect inconsistencies. Use this tool to check if your process output stays within expected limits.

Example: Enter: 10.2, 10.5, 10.1, 10.4 → Range: 0.4

Frequently Asked Questions

What is the range in statistics?
The range is the difference between the maximum and minimum values in a data set. It measures the spread or variability of the data. For example, if your data values are 2, 5, 8, the range is 8 - 2 = 6.
How do I use this range calculator?
Simply enter your numeric data values into the 'Data values' field, separating each value by a comma or space. The calculator will automatically compute the minimum, maximum, and range for you.
Can I use this calculator for negative numbers?
Yes, the calculator accepts negative numbers. The minimum and maximum will be determined based on the actual values, and the range will be the difference between them, which is always non-negative.

Tips & Common Mistakes

Tips

  • Separate each data value with a comma or space for accurate parsing.
  • Double-check that you've entered all your data points; missing values can skew the range.
  • Use the range as a simple measure of variability, but consider other statistics like standard deviation for a more robust analysis.
  • If your data set is large, consider using a spreadsheet or statistical software for more detailed analysis.

Common Mistakes to Avoid

  • Entering non-numeric characters (like letters or symbols) can cause errors. Ensure only numbers are entered.
  • Forgetting to include all data points, especially outliers, which can significantly affect the range.
  • Confusing the range with the mean or median. The range is only the difference between the max and min.

Last updated: August 13, 2026