Calculate weighted average
Weighted mean from values and matching weights.
Also known as: calculate weighted average calculator, weighted average calculator, calculate weighted average, statistics math, statistics calculate weighted average
Inputs
Results update when you click Calculate.
Weighted average
87.1667
- Total weight6.0000
- Pairs used3
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What this result means
Weighted mean from values and matching weights. Weighted average = Σ(value × weight) / Σ(weight).
Assumptions
- Rule dependency: Universal formula.
How is it calculated?
Weighted average = Σ(value × weight) / Σ(weight).
Example
Grades 88, 92, 75 with weights 3, 2, 1 → weighted avg 86.67.
Frequently asked questions
Mismatched lengths?+
Uses the shorter of the two lists.