Grade Calculator
Calculate weighted grades, GPA, and letter grades for every assignment.
Grade Calculator
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Grade Breakdown
Grade Scale
Grade Improvement Scenarios
How to Use the Grade Calculator
This calculator helps you calculate your weighted grade average across multiple assignments, exams, and other course components. Enter each assignment's name, grade percentage, and weight to see your overall course grade and corresponding letter grade.
Understanding Weighted Grades
In most courses, different assignments carry different weights toward your final grade. For example:
- Final Exam: Might be worth 40% of your total grade
- Midterm Exam: Could be worth 30%
- Homework: Might account for 20%
- Participation: Could be 10%
How Weighted Grades Work
Example: Calculate final grade with 4 assignments
GPA Conversion
The calculator automatically converts your percentage grade to a GPA (Grade Point Average) using the standard 4.0 scale:
- A (90-100%): 4.0 GPA
- B (80-89%): 3.0 GPA
- C (70-79%): 2.0 GPA
- D (60-69%): 1.0 GPA
- F (Below 60%): 0.0 GPA
Study Time Allocation
Focus your study time based on assignment weights
What-If Scenarios
Use this calculator to explore different scenarios:
- What grade do I need on the final exam to get an A in the course?
- How will a poor quiz grade affect my overall average?
- What's my current standing with incomplete assignments?
Grading Tips
Tips for Success
- Prioritize assignments with higher weights
- Calculate regularly to track your progress
- Plan ahead for final exams and major projects
- Communicate with professors if you're struggling
Grade Recovery Strategies
Start Early
Don't wait until the final exam. Small improvements on multiple assignments (5-10% each) compound better than trying to ace one major test.
Target High-Weight Items
A 10% improvement on a 40% weighted final has 4x more impact than the same improvement on a 10% weighted quiz.
Talk to Your Professor
Ask about extra credit opportunities, assignment resubmissions, or ways to improve on future work. Most professors appreciate proactive students.
Use This Calculator Weekly
Update your grades after each assignment to see exactly what you need. Knowing the specific number (e.g., "I need an 87% on the final") makes success more tangible.
Common Grade Scenarios
Scenario 1: Failing Midterm Recovery
You scored 65% on a 30% weighted midterm. The final is worth 40%, and homework is 30% (currently 85%).
✓ You need 89% on the final to get a B (80%) overall
Scenario 2: Perfect Grade Cushion
You have 95% average across 60% of coursework. How low can you go on the final (40%) and still get an A?
✓ You can score as low as 82.5% on the final and still get an A (90%)
Scenario 3: Borderline Grade
You have exactly 89.5% with all work completed. Will it round to an A?
✓ Depends on professor policy! Most round 89.5% → 90%, but check your syllabus
Frequently Asked Questions
How do I calculate a weighted grade?
Multiply each assignment's grade by its weight (as a decimal), then add all the results together. For example: (85 × 0.30) + (90 × 0.40) + (95 × 0.20) + (88 × 0.10) = 89.1%. Make sure all weights add up to 100%.
What if my weights don't add up to 100%?
The calculator will normalize your grades proportionally. For example, if you've only completed assignments worth 60% of your final grade, it will calculate your current average based on those completed assignments. However, this won't reflect your actual final grade until all assignments are completed.
How is GPA calculated from percentage grades?
GPA is calculated using a standard 4.0 scale. A grade of 90-100% equals 4.0, 80-89% equals 3.0, 70-79% equals 2.0, 60-69% equals 1.0, and below 60% equals 0.0. Different schools may use slightly different scales (like A- = 3.7), but this calculator uses the basic conversion.
Can I use this for cumulative GPA across multiple courses?
This calculator is designed for individual course grades. For cumulative GPA across multiple courses, you would need to use a GPA calculator where each course is treated as a separate entry with its own credit hours. Consider using our GPA Calculator for that purpose.
What grade do I need on my final exam to get an A?
Enter all your current assignment grades and their weights, then add your final exam with its weight. Adjust the final exam grade until your overall grade reaches 90% (or your school's A threshold). This "what-if" analysis helps you set realistic study goals.
Does rounding apply to final grades?
Rounding policies vary by professor. Some round 89.5% up to 90% (an A), while others enforce strict cutoffs. Check your syllabus or ask your professor about their rounding policy. This calculator shows exact percentages, so you can see if you're in a position where rounding might help.
How can I improve my grade quickly?
Focus on upcoming high-weight assignments. A 10-point improvement on a 40% weighted final has more impact than a 10-point improvement on a 5% weighted quiz. Also, check for extra credit opportunities, attend office hours for help on difficult concepts, and consider forming study groups for major exams.
What if I failed an assignment worth 30% of my grade?
Don't panic! Enter your actual grade and use the calculator to see what's needed on remaining work. For example, if you scored 50% on a 30% weighted assignment but have 70% of coursework remaining, you can still achieve an A or B by scoring high on future assignments. The key is starting recovery immediately, not waiting until finals.
Can I compare different grading scales?
This calculator uses the standard A=90%, B=80%, C=70%, D=60%, F=<60% scale. If your school uses a different scale (like A=93% or A-=90%), you can still use the percentage calculation but interpret the letter grade according to your specific institution's policy. The percentage is always accurate regardless of the letter grade scale.
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