Weighted average calculator
Enter the value and the weight corresponding to its importance to calculate a weighted average.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
Fractional results are displayed up to 12 digits of precision. Please unify units in the input values.
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Share the tool link and result text together. No URL is included in the result. Check the below content and then share it.
Calculation·conversion criteria
Calculate the average that reflects scores and weights.
Input example
80×1 and 100×3 weighted average = 95
If 80 receives weight 2 and 100 receives weight 1, then (80×2+100×1)÷3≈86.6667. Enter the value and weight for each line as a pair.
How to use
- Use the provided example value or replace the value and weight (a pair per line) fields.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Must the weighted sum be exactly 100?
No. Since relative weight ratios are used, 2 and 1, 20 and 10 yield the same result. Weights must be greater than 0, and the sum must be greater than 0.
Calculation criteria and reference materials
The calculation formula and scope of this tool are disclosed in the above description. Examples can be checked by substituting input values into the formula or following the specified string and calendar handling rules.
Verification of calculation criteria: · Calculation·verification principles · Report errors