Calculator
Weighted grade average calculator
Calculate a grade average where each entered value can have a different weight. Data is processed only in your browser, and the page explains the formula and limitations of the result.
Reviewed: 3 August 2026Processed locally
Calculator
Enter data
Entries written as grade:weight. Fields marked with an asterisk are required.
How to use the calculator
- Enter the required data: entries written as grade:weight.
- Check the values and select “Calculate”.
- Review the primary result and the detailed calculation components.
Calculation details
Formula and calculation method
Weighted average = the sum of each grade multiplied by its weight ÷ the sum of all positive weights.
Worked example
For grade 5 with weight 2 and grade 3 with weight 1, the result is (5 × 2 + 3 × 1) ÷ 3 = 4.33.
Limitations
- A school may use different grade values, weights and rounding rules.
Sources
Engine version: 1.0 · Last reviewed: 3 August 2026
Frequently asked questions
Is the entered data sent to a server?
No. The calculation runs locally in your browser and the values are not saved by default.
Is the result definitive?
Not always. A school may use different grade values, weights and rounding rules.