Weighted Grade Calculator
Calculate your weighted average grade across assignments, quizzes, and exams.
Results
Visualization
How It Works
A weighted grade average accounts for the fact that different types of coursework count differently toward your final grade. Exams might be worth 50% while homework is only 20%. This calculator multiplies each category's grade by its weight to find your true course grade.
The Formula
Variables
- Grade — Your percentage score in each category (assignments, quizzes, exams)
- Weight — The percentage that category contributes to your final grade
- Contribution — How many points each category actually adds to your overall grade
Worked Example
Assignments: 92% (weight 30%), Quizzes: 78% (weight 20%), Exams: 85% (weight 50%). Weighted grade = (92 x 30 + 78 x 20 + 85 x 50) / 100 = (2760 + 1560 + 4250) / 100 = 85.7%. Letter grade: B.
Practical Tips
- If your weights don't add up to 100%, the calculator normalizes them — but double-check your syllabus.
- Heavily weighted categories (like exams at 50%) have the most impact on your grade — prioritize studying for them.
- A high homework grade can cushion a lower exam score if homework is weighted significantly.
- Some professors weight participation or attendance separately — add those as a separate category.
- Track your grades throughout the semester to avoid surprises at the end.
Frequently Asked Questions
What if my weights don't add up to 100%?
The calculator will still work by normalizing the weights (dividing by their actual total instead of 100). However, this usually means you're missing a grading category from your syllabus. Double-check that you have included all components.
How is a weighted grade different from a simple average?
A simple average treats all scores equally. A weighted average gives more importance to categories that count more. If exams are 50% of your grade, a 10-point improvement on exams helps twice as much as a 10-point improvement on quizzes worth 25%.
Can I use this for high school classes?
Yes. High school classes use the same weighted average system. Common high school breakdowns might be tests (40%), homework (30%), quizzes (15%), and participation (15%). Check your teacher's grading policy.
What grade do I need on remaining work to get an A?
Use the Grade Needed Calculator for that. It solves the weighted average formula backwards to tell you exactly what score you need on upcoming work to reach your target grade.
Do extra credit points factor into weighted grades?
Extra credit typically adds to your score in a specific category. For example, 5 points of exam extra credit would raise your exam grade above 100%. Enter your actual score (even if over 100%) for the most accurate calculation.