GPA Calculation: How College GPA Works and How to Raise Yours
Published Apr 14, 2026 Β· 5 min read
Your GPA (Grade Point Average) is a single number that summarizes your academic performance. Most U.S. colleges use a 4.0 scale, but the calculation isn't always straightforward.
The 4.0 Scale
| Letter Grade | Grade Points | Percentage |
|---|---|---|
| A | 4.0 | 93-100% |
| A- | 3.7 | 90-92% |
| B+ | 3.3 | 87-89% |
| B | 3.0 | 83-86% |
| B- | 2.7 | 80-82% |
| C+ | 2.3 | 77-79% |
| C | 2.0 | 73-76% |
| D | 1.0 | 60-69% |
| F | 0.0 | Below 60% |
How to Calculate
Multiply each course's grade points by its credit hours, sum them, and divide by total credit hours:
| Course | Credits | Grade | Points | Quality Points |
|---|---|---|---|---|
| Calc I | 4 | B+ (3.3) | 4 Γ 3.3 | 13.2 |
| English | 3 | A (4.0) | 3 Γ 4.0 | 12.0 |
| Biology | 4 | B (3.0) | 4 Γ 3.0 | 12.0 |
| History | 3 | A- (3.7) | 3 Γ 3.7 | 11.1 |
| Total | 14 | 48.3 |
GPA = 48.3 Γ· 14 = 3.45
Weighted vs Unweighted
- Unweighted: Standard 4.0 scale, all courses equal
- Weighted: Honors and AP courses get +0.5 to +1.0 (max 5.0 scale)
- Colleges typically recalculate using their own system regardless
How to Raise Your GPA
- Take more credit hours of classes you can excel in β high-credit A's move the needle most
- Retake courses with D/F grades (many schools replace the old grade)
- Focus on time-intensive courses β labs and projects often have clearer paths to high grades
- Use office hours β students who visit professors average half a letter grade higher
- The math reality: raising a 2.0 to 3.0 is exponentially harder with more completed credits
Try it: Use our GPA Calculator to compute your current GPA and simulate what grades you need to reach your target.
π Sources: College Board