Grade Calculation Methods
How do you calculate a weighted grade?
Multiply each score by its weight percentage, sum the results, then divide by the total weight percentage. For example: 85% × 20% + 90% × 80% = 17 + 72 = 89%. This normalizes partial weights so even if your weights don't add to 100% the result is still accurate.
What is the grade needed on my final exam?
Subtract your current weighted grade contribution (scores × weights for all items except the final) from your target grade, then divide by the final's weight. For example, if you need 85% overall and the final is worth 40%, and you've earned 60% of the non-final weight so far, you need (85 − 60%) / 0.40 on the final.
How does GPA convert to letter grades?
On a standard 4.0 scale: 4.0 = A (93–100%), 3.7 = A- (90–92%), 3.3 = B+ (87–89%), 3.0 = B (83–86%), 2.7 = B- (80–82%), 2.3 = C+ (77–79%), 2.0 = C (73–76%). Individual schools and programs may use slightly different cutoffs.
Frequently Asked Questions
How do you calculate a weighted average grade?
Multiply each assignment score by its weight percentage, add all those products together, then divide by the total weight. For example: (85 × 0.20) + (90 × 0.80) = 17 + 72 = 89%. Use the calculator above to handle any combination of weights.
What grade do I need on my final to pass?
Subtract the weighted points you've already earned from your target grade, then divide by the final exam's weight. Example: to reach 75% overall when the final is worth 40% and you currently have 65% from other work: (75 − 60%) / 0.40 = 87.5% needed on the final.
What is the GPA for a B+ grade?
A B+ (87–89%) equals 3.3 GPA points on a standard 4.0 scale. An A is 4.0, A- is 3.7, B is 3.0, B- is 2.7, and so on. Individual schools may use slightly different scales.