Method
Add every value, then divide the sum by the number of values.
Example
12, 18 and 30 average 20 because their sum, 60, is divided by 3.
Limits
Check inputs and units. Important academic, financial or professional decisions should be confirmed against an appropriate source.
Common questions
What does the average calculator calculate?
Paste a list and calculate its arithmetic mean.
Does this average calculator show its method?
Yes. The result includes the central formula or working needed to check the answer.
Are my values uploaded?
No. The calculation runs in this browser and does not require an account.