Grading
Final grade
Current average weighted by what has already been earned, plus the exam score weighted by the remainder.
The Formula
FG = CA x W + FE x (1 - W)
Current average weighted by what has already been earned, plus the exam score weighted by the remainder.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| FG | Final grade | ratio | Course grade after the exam is counted. |
| CA | Current average | ratio | Average earned before the exam. |
| W | Current weight | ratio | Share of the grade already earned. |
| FE | Exam score | ratio | Score on the remaining assessment. |
What Each Symbol Means
FGratio
Final grade
Course grade after the exam is counted.
CAratio
Current average
Average earned before the exam.
Wratio
Current weight
Share of the grade already earned.
FEratio
Exam score
Score on the remaining assessment.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate a final grade page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate A Final Grade, filed under Education. Every number the guide produces comes from substituting into this one line.