Grade Calculator
Settings
Grade Entry
Grade Scale & Conversion
| Letter Grade | Minimum Percentage (%) | Grade Point (4.0 Scale) | Actions |
|---|
Results Summary
Category Contribution
Scores per Item
What is a Grade Calculator?
A grade calculator is a tool designed to help students and educators compute academic grades quickly and accurately. Whether you need to find your current course grade, determine what score you need on a final exam, or calculate your GPA, this tool simplifies the process. It's essential for tracking academic progress, setting goals, and understanding complex grading schemes like weighted categories or dropped assignments.
How This Calculator Works
This advanced calculator offers several modes to match common grading systems:
- Weighted System: In this mode, different assignment types contribute a specific percentage to the final grade. For example, Homework might be 20%, Quizzes 30%, and the Final Exam 50%. The calculator multiplies your score in each category by its weight to determine its contribution to your final grade.
- Points-Based System: This is a simpler method where your final grade is the total points you've earned divided by the total possible points across all assignments.
- GPA/CGPA Calculation: This mode converts your letter grades for each course into grade points (e.g., A=4.0, B=3.0) based on a selected scale. It then computes your Grade Point Average (GPA) by factoring in the credit hours for each course. You can also use it to update your existing Cumulative GPA (CGPA).
Special features like Extra Credit add points to your score without increasing the total possible, while the Drop Lowest option removes your worst scores from a category before calculating the average.
Grade Conversion Tables & Scales
Different institutions use different scales. This calculator allows full customization but comes with a standard 4.0 scale preset:
| Letter Grade | Percentage | 4.0 Scale | 4.3 Scale | 5.0 Scale |
|---|---|---|---|---|
| A+ | 97-100 | 4.0 | 4.3 | 5.0 |
| A | 93-96 | 4.0 | 4.0 | 5.0 |
| A- | 90-92 | 3.7 | 3.7 | 4.5 |
| B+ | 87-89 | 3.3 | 3.3 | 4.0 |
| B | 83-86 | 3.0 | 3.0 | 3.5 |
| B- | 80-82 | 2.7 | 2.7 | 3.0 |
| C+ | 77-79 | 2.3 | 2.3 | 2.5 |
| C | 73-76 | 2.0 | 2.0 | 2.0 |
| D | 65-72 | 1.0 | 1.0 | 1.0 |
| F | 0-64 | 0.0 | 0.0 | 0.0 |
Examples & Walkthroughs
Example: Calculating a Final Grade
- Select "Weighted Average" mode.
- Add rows for each of your assignments. Let's say you have Homework (15/20 points, 30% weight), a Midterm (85/100 points, 40% weight), and a Final Exam (yet to be taken, 30% weight).
- Enter the data for the Homework and Midterm.
- To find out what you need on the final, add a row for the "Final Exam", enter its weight (30%), and check the "Is Future?" box.
- Click "Calculate Grade". The results will show your current grade and a table indicating the score you need on the final exam to achieve an A, B, or C in the course.
FAQ
1. How do I calculate my final grade if I know my current scores and the final exam weight?
Use the 'What-if' feature. Enter your current assignments and their weights. Then, add a new row for your final exam, enter its weight, and mark it as a 'future' item. The calculator will show you what score you need on the final exam to achieve various target grades (e.g., A, B, C).
2. What is the difference between points-based and weighted grading?
In a points-based system, your final grade is the sum of all points you earned divided by the total possible points. In a weighted system, different categories of assignments (like homework, quizzes, exams) contribute a specific percentage to your final grade, regardless of how many points they contain.
3. How do dropped assignment policies affect my final grade?
Dropping the lowest score(s) in a category removes your worst performances from the calculation, which typically raises your average for that category and your overall grade. This calculator allows you to apply 'drop lowest' rules on a per-category basis.
4. Can I use this tool to compute GPA or CGPA?
Yes. Switch to GPA/CGPA mode. You can enter your courses, their credit hours, and the letter grade you received. The calculator will convert the letter grades to grade points based on a selected scale (e.g., 4.0) and compute your GPA. You can also enter your existing CGPA and credits to calculate your new, updated CGPA.
5. How do I interpret the required final exam score if it's over 100%?
If the calculator shows you need a score over 100% on a future assignment to reach a target grade, it means that target grade is mathematically impossible to achieve with the remaining assignments, even if you score perfectly.
6. Does this calculator support extra credit?
Yes. You can mark any assignment as 'Extra Credit'. These items add to your total earned points or weighted score without increasing the total possible points or total weight, effectively boosting your grade.
7. How do I import my gradebook from CSV?
The calculator has an 'Import/Export' feature. Copy your data from a spreadsheet (in the format: Name, Earned Points, Possible Points, Weight, Category) and paste it into the text area. The tool will automatically create and populate the grade entry rows for you.
8. Is the grade mapping customizable for my university or school?
Absolutely. In the 'Grade Scale & Conversion' settings, you can define your own letter grades and the minimum percentage required for each. You can also choose from several common presets, such as a standard US 4.0 scale.
Import / Export Data
Import from CSV
Paste CSV data below. Format: Name,Earned,Possible,Weight,Category
Export to CSV
Click the button to download your current grade entries as a CSV file.
Templates
Load Template
Select a preset or one of your saved templates.
Save Current Setup
Save the current rows and categories as a new template.
