Math
Range Calculator
Find the spread of a list of numbers, from the smallest to the largest value.
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Formula
Range = largest value − smallest value.
How it works
Type numbers separated by commas. The calculator finds the smallest and largest values and subtracts to give the spread.
FAQs
What does the Range do?
It takes the values you enter and works out the range for you, showing the result straight away.
What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.
Can I use the result for homework or everyday maths?
Yes. It is a general-purpose maths helper; for exam or professional work, still check the steps against your own working.