Grade Calculator
Calculate your class grade from assignments, exams, and homework. Points-based or weighted mode, final exam planner, and drop-lowest option. Free. No sign-up.
How it works
- 1Choose your mode
Select points-based grading (total earned / total possible) or weighted grading (categories with percentage weights).
- 2Add assignments
Enter each assignment with its score, total points, and optional weight percentage. Toggle drop-lowest if your professor allows it.
- 3Plan for your final
Use the final exam calculator to find out exactly what score you need on the final to achieve your target grade.
How Grade Calculations Work
Understanding how your grade is calculated removes the guesswork from academic planning. Most courses use one of two grading systems: points-based or weighted. In a points-based system, every point is worth the same regardless of the assignment type. If a midterm is worth 100 points and homework is worth 50 points, the midterm naturally has more impact because it offers more points. Your grade is simply total points earned divided by total points possible.
Weighted grading adds a layer of intentional control for instructors. Instead of relying on point totals, each category receives a specific percentage of the final grade. Homework might account for 20%, participation for 10%, midterms for 30%, and the final exam for 40%. Your percentage within each category is multiplied by its weight, and the results are summed. This means even if you ace every homework assignment, it can only contribute 20% to your final grade.
The final exam calculator is one of the most practical tools for students. By entering your current grade percentage, the weight of the final exam, and your desired overall grade, you can calculate the exact score you need. The algebra behind it is straightforward: your desired grade equals your current grade times the non-final weight plus your final score times the final weight. Solving for the final score tells you your target.
The drop lowest score option reflects a common grading policy where professors remove your single worst assignment to give students a buffer against one bad day. This calculator identifies the assignment with the lowest percentage and excludes it. The impact can be dramatic: dropping a 40% quiz when all others are above 85% can raise your overall grade by several percentage points.
Use the grade distribution tab to visualise how your scores break down across letter grades. This overview helps you identify patterns — perhaps you consistently score well on homework but struggle with timed exams. Recognising these patterns allows you to adjust study strategies where they matter most. All calculations run entirely in your browser — nothing is stored or transmitted.
Get GEO & AEO tips every week
The Layman SEO newsletter. Plain English updates on what is changing in search - SEO, AEO, and GEO - and what to do about it. One email a week. Unsubscribe any time.
No spam. No paywall content. Unsubscribe with one click.