Mean Calculator
Find the arithmetic mean of a list of numbers, with the sum, count and steps.
Change the values and press Calculate to work out your own figures.
Enter numbers to find their mean.
Show the working
- Sum = 178
- Mean = 178 ÷ 8 = 22.25
- Sorted: 2, 10, 21, 23, 23, 23, 38, 38
How to use it
Enter numbers to find their mean.
Paste or type the numbers separated by commas, spaces or new lines. Results are worked out exactly and shown to 12 significant figures; Show the working lists each step.
Key facts
mean = Σx ÷ n
The mean
The mean is the balance point of the data: the sum of the deviations above it equals the sum below it.
Questions
Is the mean the same as the average?
Yes, the arithmetic mean is what most people call the average.
Does a zero count in the mean?
Yes: it adds nothing to the sum but one to the count.
Formulas
mean = Σx ÷ n
Sources
Limitations
- Up to 5,000 values. Values are separated by commas, spaces or new lines, so write 1250 rather than 1,250.