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Instant result
The result updates directly based on the values you enter.
Online Calculator
Weighted average calculator
Enter your values and assign a weight to each one to calculate the weighted average.
Sum of weights
100
Weighted mean
8.1
Information
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Local processing
The calculations are done in your browser without sending the data to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
What is a weighted average?
It is an average in which each value contributes according to the weight assigned to it.
Do the weights have to add up to 100?
No. The formula works with any set of weights whose sum is different from zero.
Can I add more values?
Yes. You can add or delete rows dynamically.
How is it calculated?
Multiply each value by its weight, add the products, and divide by the sum of the weights.