Grading Guides
Plain-English guides to grades, grading scales, weighted averages, final exams and GPA. Each one has worked examples and links to the free calculator that does the maths for you.
Grade Basics
Start here: the grade formula, the Easy Grader, and quick answers for test scores.
How to Calculate Grades
Step-by-step formulas for test, class and weighted grades, with examples you can check.
Read guide →What Is an Easy Grader?
What an easy grader does, how it works and when it saves time.
Read guide →How Many Questions Can I Miss?
See how many wrong answers you can afford to keep an A, B or C.
Read guide →Grade Rounding
How teachers round grades, and what it means for borderline scores.
Read guide →Grading Systems
How schools turn scores into letters, and how teachers can grade well.
Grading Scales Explained
10-point, plus/minus and 7-point scales side by side, with cut-offs.
Read guide →How Schools Calculate Grades
Points, categories, weights and dropped scores in a real gradebook.
Read guide →Rubric vs Percentage Grading
How each method works, and how to convert rubric scores to percentages.
Read guide →Teacher Grading Tips
Ten habits that make grading faster and fairer.
Read guide →Weighted Grades, Finals & GPA
Work out course grades, exam targets and GPA.
Weighted Grades Explained
The weighted average formula, worked examples and common mistakes.
Read guide →How to Calculate Final Grade
Find the score you need on the final exam to hit your target grade.
Read guide →How to Calculate GPA
Semester GPA, CGPA, credit hours, and weighted vs unweighted GPA.
Read guide →Extra Credit & Your Grade
What extra credit is really worth, with caps and examples.
Read guide →Try the calculators
Put the guides to work with a free calculator. Nothing you type is stored.