General calculator
Weighted average calculator
Weights should be non-negative. At least one pair is required.
Inputs
Enter valid numbers. Calculations run entirely in your browser.
Results
Weighted average
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Example
Weights 0.5,0.3,0.2 with values 80,90,70 → 81.
Explanation
Zero weights skip that pair. Sum of weights in denominator excludes empty pairs.
FAQ
Normalized weights?
They need not sum to one; the tool divides by the sum you supply.