Grade Calculator
Calculate your current course grade and what you need on your final exam to reach your goal. Supports both letter grades (A, B+, C-) and percentages, using standard GPA conversions.
| Assignment/Exam | Grade | Weight |
|---|---|---|
| Homework 1 | A | 5% |
| Project | B | 20% |
| Midterm | D | 20% |
| Total: | — | 45% |
| Average Grade: | C(2.00) | 76.72% |
Letter grade scale (typical)
| Letter Grade | GPA | Percentage |
|---|---|---|
| A+ | 4.3 | 97%–100% |
| A | 4 | 93%–96% |
| A- | 3.7 | 90%–92% |
| B+ | 3.3 | 87%–89% |
| B | 3 | 83%–86% |
| B- | 2.7 | 80%–82% |
| C+ | 2.3 | 77%–79% |
| C | 2 | 73%–76% |
| C- | 1.7 | 70%–72% |
| D+ | 1.3 | 67%–69% |
| D | 1 | 63%–66% |
| D- | 0.7 | 60%–62% |
| F | 0 | 0%–59% |
Note: Schools vary. We use the midpoint of each letter range when you enter letter grades.
Grade Calculator – Weighted Average, Final Exam and GPA
Use this free Grade Calculator to determine your current course grade, your weighted average, and the score you need on the final exam to reach a target grade or GPA. Enter assignments with weights or points, mix letter grades and percentages, and see clear results in both percentage and on a typical 4.0 GPA scale.
How it works
Add assignments, quizzes, projects or exams with either weights or points, then enter your scores. The calculator converts letters to percentages using a standard table and computes your weighted average.
If you set a target course grade and provide the final exam weight, the tool tells you exactly what you need on the final to reach your goal.
Key features
Supports letter grades and percentages in one place
Calculates weighted averages from category weights or points
Final grade planner shows the required final exam score
Optional GPA conversion on a typical 4.0 scale including plus and minus
Reference letter grade scale with common cutoffs
Useful mid semester to track progress and plan study time
Example
Suppose Homework is 30% at 92%, Midterm is 30% at 84%, and the Final is 40% unknown. If your goal is an A at 90% or higher, you would need about 93% on the final exam to finish at 90% overall.
This weighted grade calculation runs instantly so you do not have to do the math by hand.
Tips and notes
Check your syllabus for exact weights, drops, or extra credit since schools vary
When in doubt enter points earned and points possible and let the tool compute the percentage
GPA thresholds and letter ranges can differ by institution so treat the scale as a typical reference
Frequently Asked Questions
- Can I mix letter grades and percentages?
- Yes. Enter letters like A or B plus along with numeric percentages. The calculator converts letters using a standard mapping and includes them in the weighted total.
- How do I find what I need on the final exam?
- Enter your current average, the target course grade, and the final exam weight. The planner shows the minimum final score required to reach the target.
- Does it support GPA on a 4.0 scale?
- You can enable GPA mapping to view results as both percentage and GPA. The included table uses a typical 4.0 scale with plus and minus.
Calculate your current grade, convert to GPA, and see the final exam score you need to reach your target. Plan the rest of the term with confidence.
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