Average Calculator
Mean, weighted average and sum of any list of numbers.
What is an average calculator?
An average calculator finds the mean of a list of numbers. Enter any numbers, separated by commas, and it shows the mean, the sum and the count.
How to use the average calculator
Enter your numbers separated by commas, then click Calculate. The calculator shows the mean, the sum and how many numbers there are.
Average formula
Mean = Sum ÷ Count. Add all the numbers together, then divide by how many numbers there are.
Example
For 10, 20 and 30: Sum = 60, Count = 3, so Mean = 60 ÷ 3 = 20.
Frequently Asked Questions
What is the average of 10, 20 and 30?
The average of 10, 20 and 30 is 20. Try it on the calculator above.
How do you find the average?
Add the numbers and divide by how many there are. For example, (10 + 20 + 30) ÷ 3 = 20.
What is the difference between mean and average?
They are the same thing: the mean is the most common kind of average.
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