Weighted Average Calculator
x̄_w = Σ(w_i x_i)/Σ(w_i) with non-negative weights.
Limitation: Educational weighted mean—not GPA policy or survey raking.
How to Use the Weighted Average Calculator
x̄_w = Σ(w_i x_i)/Σ(w_i) with non-negative weights.
Open the Weighted Avg calculator and read field labels.
Match the mode
Educational weighted mean—not GPA policy or survey raking.
What It Calculates
x̄_w = Σ(w_i x_i)/Σ(w_i) with non-negative weights.
Worked Examples
Grade weights
Inputs
Result
(270+170+78)/6.
Equal weights
Inputs
Result
Matches simple mean.
Single value
Inputs
Result
One weighted point.
Check your mode
Educational weighted mean—not GPA policy or survey raking.
Frequently Asked Questions
Still have questions about this calculation?
Try the CalculatorFormulas
Standard definitions with assumptions noted below.
Formula
Scientific Background
Standard statistics definitions with assumptions stated on-page. Educational only—not professional certification.
Sources & review
Weighted Average Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.
Last reviewed
July 22, 2026
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