How to Calculate Your Course Grade
Most college courses use a weighted grading system — different assignments and exams count for different portions of your final grade.
WhatGPA
Grade Calculator
Enter your scores and category weights to calculate your overall course grade and letter grade instantly.
Quick Answer
To calculate your overall course grade: multiply each category score by its weight, sum all results. Example — Homework 90% (weight 20%) + Midterm 78% (weight 30%) + Final 85% (weight 50%) = 18 + 23.4 + 42.5 = 83.9% (B).
| Category | Weight % | Score % | |
|---|---|---|---|
Weights total: 100% ✓
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Enter scores above
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Overall Grade = Σ (Category Score × Category Weight / 100). Weights must sum to 100%.
Example Calculation
| Category | Weight | Your Score | Weighted Score |
|---|---|---|---|
| Homework | 20% | 92% | 18.4 |
| Quizzes | 15% | 85% | 12.75 |
| Midterm Exam | 25% | 78% | 19.5 |
| Final Exam | 40% | 88% | 35.2 |
| Total | 100% | — | 85.85% → B |
Need to know what score you need on your final? Use the Final Grade Calculator — enter your current grade, the exam weight, and your target.