Weighted Average Calculator
Enter values and weights and instantly see the weighted average, weight sum, product sum, contributions, and calculation steps.
Settings
Values and weights
Each complete row contains a value and a non-negative weight.
Result
No complete positive weight yet.
Breakdown by row
Enter at least one value with a weight greater than 0.
Enter at least one value with a weight greater than 0.
How it works
How it works
Step by step
Features
Features
Combine values with weights
Calculate weighted averages for grades, quantities, groups, percentage weights, or frequencies.
Breakdown per row
Product sum, weight sum, share, and contribution make the calculation traceable.
Frequently asked questions
Frequently asked questions
Do percentage weights have to add up to 100%?
No. The calculator normalizes weights to their sum and shows a note.
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More tools
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