How to use this calculator
- Enter two or more numbers separated by commas or spaces.
- Edit the list whenever needed.
- The mean, count and sum update instantly.
Example
The average of 12, 18, 25 and 35 is 22.5 because their sum, 90, is divided by 4.
How it works
The arithmetic mean equals the sum of all valid numbers divided by how many numbers were entered.
Frequently asked questions
Are negative numbers supported?
Yes. Negative values and decimals are supported.
What separators can I use?
Use commas, spaces, semicolons, or Chinese punctuation.