GPA What-If Simulator
See exactly how retakes and future classes will shift your cumulative GPA.
Future Performance
Project upcoming semesters
Grade Replacement
Retake Analysis
Simulator Empty
The Impact of Grade Replacement
Retaking a class is often the fastest way to repair a low GPA.
Retaking a 4-credit class has 4x the impact.
A move from F to A adds 4 points per credit.
The more credits you have, the harder it is to move the needle.
Simulate what you need for honors or grad school.
Strategic Enrollment
Use this simulator to compare scenarios before paying tuition.
(New - Old) × Credits / Total CreditsThe Impact of Grade Replacement
Retaking a class is often the fastest way to repair a low GPA.
- 1Subtract Old
Subtract the total points from the original class attempt.
- 2Add Replacement
Add the total points for the new expected grade.
- 3Average Out
Divide the new point total by your overall credits.
Frequently Asked Questions
How does grade replacement work?
In most systems, the new grade replaces the old one in your GPA calculation.
What is a good GPA?
A 3.0 or higher is generally considered good, while 3.5+ is excellent.
Percentage Reference Table
| Letter Grade | Percentage | GPA Scale | Description |
|---|---|---|---|
| A+ | 97–100% | 4.0 | Exceptional |
| A | 93–96% | 4.0 | Excellent |
| A- | 90–92% | 3.7 | Very Good |
| B+ | 87–89% | 3.3 | Above Average |
| B | 83–86% | 3.0 | Good |
| B- | 80–82% | 2.7 | Above Average |
| C+ | 77–79% | 2.3 | Average |
| C | 73–76% | 2.0 | Satisfactory |
| C- | 70–72% | 1.7 | Below Average |
| D+ | 67–69% | 1.3 | Poor |
| D | 63–66% | 1.0 | Poor |
| D- | 60–62% | 0.7 | Barely Passing |
| F | 0–59% | 0.0 | Failing |
Simulated Outcome
Some programs average both grades instead of replacing.