Summary
Average scores with explicit weights.
Calculation details
Enter SCORE:WEIGHT pairs separated by commas. Calculations retain raw JavaScript number precision; display values are rounded to at most six decimal places.
Formula
Weighted average = Σ(score × weight) / Σ(weight).
Worked example
Weighted Grade Calculator example
Weighted average is about 86.67.
How it works
Enter SCORE:WEIGHT pairs. Weights do not need to sum to 100; the average divides by the total weight entered.
Frequently asked questions
How accurate is the Weighted Grade Calculator?
The calculation keeps raw numeric precision and rounds only the displayed result to at most six decimal places.
What should I do with an invalid result?
Check that every visible value is finite and that no required divisor is zero.