About this Average Calculator
Average Calculator finds the arithmetic mean of a set of values and also reports the count and sum. This makes it useful for quick checks when you have a small list and do not want to open a spreadsheet.
Formula or method
Average = sum of values ÷ number of values.
Example
For 10, 20 and 30, the average is 20.
Common uses
- Find the mean of marks, measurements or daily values.
- Check a spreadsheet result with a quick independent calculation.
- Summarize a short list of numeric observations.
How to use this tool
- Enter the values or text requested by the calculator.
- Choose units or options when the tool provides them.
- Select the calculation button and review the result.
- Use the formula, example and notes on this page to check whether the result fits your situation.
Important note
You can separate values with commas, spaces, semicolons or new lines.
Frequently asked questions
Can I paste values on separate lines?
Yes. Commas, spaces, semicolons and line breaks can separate the numbers.
Are negative and decimal numbers supported?
Yes, as long as every entered item is a valid number.