Range Calculator

Calculate the range of a data set. Free online range calculator showing the spread between minimum and maximum values.

The Range Calculator determines the spread of your data by finding the difference between the maximum and minimum values. This simple but powerful measure of variability helps you understand how dispersed your data is. Whether analyzing test scores, temperature variations, or financial fluctuations, the range provides quick insight into data spread. The calculator shows both the range and the min/max values.

Common use cases

  • Quality control measurements
  • Temperature variation analysis
  • Stock price volatility assessment
  • Test score spread evaluation
  • Sports performance variability

How to use

  1. Enter your numbers separated by commas
  2. Click calculate to find the range
  3. View the minimum and maximum values
  4. See the calculated range (max - min)
  5. Use alongside other statistics for context

FAQ

How is range calculated?

Range = Maximum value - Minimum value. For data 5,10,15,20: Range = 20-5 = 15.

Is range a good measure of spread?

Range is simple but sensitive to outliers. Standard deviation is often preferred for detailed analysis.

What does a large range indicate?

A large range indicates high variability or spread in your data values.

Can range be negative?

No, range is always positive or zero (if all values are identical).