±Free
Weighted average
Calculate an average from values and nonnegative weights.
Enter a value list and an equally long weight list in corresponding order. The result is the sum of value × weight divided by the total weight, with the weight total returned separately.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Values: 80,90 Weights: 1,3
Example result
{
"weightedAverage": 87.5,
"totalWeight": 4
}Limitations and details
Weights must be nonnegative with a positive sum; both lists must have matching lengths and no more than 10000 entries.
Inputs and options
- Values
- Text
- Weights
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.