Average Calculator
Calculate average instantly in your browser.
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What this tool does
Calculate average instantly in your browser. Each observation has equal weight.
How to use the Average Calculator
- Enter or select numbers separated by commas or whitespace.
- Read the calculated result; change any measurement to compare alternatives.
Formula
arithmetic mean=sum(values)/count
- values
- Numbers separated by commas or whitespace
Each observation has equal weight.
Worked example
For average calculator, the following measurements illustrate the exact method: Numbers separated by commas or whitespace: 10,20,30.
Inputs
- Numbers separated by commas or whitespace10,20,30
Result
- Average20
- Count3
Results explained
- Average
- Average from the formula above. Each observation has equal weight.
- Count
- Count from the formula above. Each observation has equal weight.
Frequently asked questions
arithmetic mean=sum(values)/count
Each observation has equal weight.
Where mathematically meaningful, yes. Fields specify permitted ranges and undefined operations display an error.
Exact integer calculations use safe integers; decimal calculations use browser floating point, so small rounding differences can occur.
All values remain in your browser and are never uploaded.