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Average Calculator
Find the average (mean), sum, count and median of up to five numbers — leave the optional fields blank for fewer values.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How do you calculate an average?+
Add all the numbers together, then divide by how many there are. For 10, 20 and 30: (10 + 20 + 30) ÷ 3 = 20. This is the arithmetic mean; the tool also shows the median.
Is my data private?+
Yes. The tool runs entirely in your browser — nothing you paste or type is uploaded to a server.
Learn more
- Average Calculator: formula and example
- average calculator explained
- Common mistakes with average calculator