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About This Calculator
This calculator determines your current grade in a course by weighting individual assignments, exams, and projects according to their syllabus percentages. It also computes what score you need on remaining assignments to achieve a target final grade. Students find this especially valuable mid-semester when deciding how much effort to allocate across multiple courses competing for their study time.
Quick Tips
- 1 Calculate the minimum final exam score needed using weighted category averages.
- 2 Drop your lowest score before averaging if your syllabus allows it.
- 3 Extra credit points should be added after computing the base weighted total.
Example Calculation
Exam scores 88, 76, 95, 82 each worth 25% of the final grade.
Final grade: 85.25% (B) | Needs 93.75 on a 5th exam to reach 87%
How Weighted Grades Are Calculated
A weighted grade multiplies each score by its weight percentage, sums the products, and divides by the total weight. For example, if an exam worth 40% of your grade has a score of 90, it contributes 36 points (90 x 0.40) to your weighted average.
Letter Grade Conversion
The standard letter grade scale is: A (93-100), A- (90-92), B+ (87-89), B (83-86), B- (80-82), C+ (77-79), C (73-76), C- (70-72), D+ (67-69), D (63-66), D- (60-62), and F (below 60). Some institutions use different cutoffs.
Why Weights Matter
Weights reflect the relative importance of each assignment. A final exam weighted at 40% affects your grade twice as much as a midterm at 20%. Understanding weights helps you prioritize study time for maximum grade impact.
Improving Your Grade
To improve your grade, focus on assignments with higher weights that are still upcoming. Calculate what score you need on remaining assignments to reach your target grade. This strategic approach maximizes your effort-to-grade-improvement ratio.
Frequently Asked Questions
The calculator normalizes the weights by dividing by the total weight entered. If your weights add up to 75% because some assignments are not yet graded, the calculator computes your current weighted average based on the completed work.
Enter your current scores and weights, then adjust the final exam score until the weighted average reaches your target grade. This shows the minimum final exam score needed.
Unweighted grades treat all assignments equally regardless of their importance. Weighted grades account for each assignment contribution to the total grade, giving more influence to heavily-weighted items like exams.
Yes. If you score above 100 on any assignment due to extra credit, the calculator will compute a weighted average above 100 if appropriate. The letter grade will still be A or A+ for scores at or above 93.