Calculate mean.
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Range Calculator – Range of a Data Set
Quick answer
If values are 12, 15, 15, 18, 22, 27, 31, the range is 19.
Range = maximum − minimum.
Enter your values
- 12
- 15
- 15
- 18
- 22
- 27
- 31
7 values
Range
19
The gap between the largest and smallest value in the data set.
You enter Values 12, 15, 15, 18, 22, 27 … (7 values). You get Range 19.
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About the Range Calculator – Range of a Data Set
The range is the gap between the largest and the smallest value in a list. It is the simplest measure of how spread out the data is. Enter your values to find it.
For 12, 15, 15, 18, 22, 27 and 31, the range is 31 − 12 = 19.
Range
Range = maximum − minimum
Things to keep in mind
- The range uses only two values, so one outlier can change it a lot; the interquartile range is more stable.
- A larger range means more spread, but compare it with the size of the numbers.
- For a fuller picture, also look at the standard deviation.
STATISTICS & PROBABILITY GUIDE
A quick guide to Range
Use it to get an accurate range in seconds — free, with no sign-up.
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See your range the moment you enter your numbers.
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The same standard formula runs on our server for every calculation.
How to Use the Range Calculator
1
Enter Values
Provide your values.
2
View Your Results
Get your range instantly, calculated on our server.
What is Range?
This statistics & probability tool works out your range instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your range before you decide.”
What Affects Your Range
Your range depends on the values below.
Values
Changing your values changes your range.
Example Result
Here's what you can expect from a range calculation:
- Range
- 19
Frequently Asked Questions
- How to calculate range?
- Fill in values in the Range Calculator – Range of a Data Set above and your range is calculated instantly. Change any value to see how the result responds.
- What does an example range calculation look like?
- If values are 12, 15, 15, 18, 22, 27, 31, the range is 19.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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