GPA (Grade Point Average) is the single number most colleges use to evaluate academic performance. But not all GPAs are calculated the same way — and understanding the difference between weighted and unweighted GPA can make a significant difference in how colleges interpret your transcript.
How GPA Is Calculated
GPA is a weighted average of your course grades, where each grade is worth a certain number of "grade points" and each course is weighted by its credit hours.
GPA = Σ(Grade Points × Credit Hours) ÷ Σ(Credit Hours)
Grade Point Scale
| Letter Grade | Unweighted GPA Points | Percentage Range |
|---|---|---|
| A+ | 4.0 | 97–100% |
| A | 4.0 | 93–96% |
| 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% |
Example GPA Calculation
| Course | Grade | Credits | Grade Points | Quality Points |
|---|---|---|---|---|
| English | A (4.0) | 3 | 4.0 | 12.0 |
| Math | B+ (3.3) | 4 | 3.3 | 13.2 |
| History | A− (3.7) | 3 | 3.7 | 11.1 |
| Biology | B (3.0) | 4 | 3.0 | 12.0 |
| Total | 14 | 48.3 |
GPA = 48.3 ÷ 14 = 3.45
Unweighted vs. Weighted GPA
Unweighted GPA uses the standard 4.0 scale regardless of course difficulty. An A in gym class and an A in AP Physics both earn 4.0 points.
Weighted GPA adds bonus points for harder courses to recognize students who challenge themselves:
- Honors courses: +0.5 bonus (A = 4.5, B = 3.5)
- AP/IB/Dual Enrollment: +1.0 bonus (A = 5.0, B = 4.0)
What Colleges Actually Look At
Most selective colleges recalculate your GPA on their own scale when evaluating applications. They typically:
- Use only core academic subjects (English, math, science, social studies, foreign language)
- May or may not include bonus points for AP/IB courses
- Compare your GPA to your school's overall academic profile (class rank context)
GPA Benchmarks
| GPA Range | Significance |
|---|---|
| 3.9–4.0 | Valedictorian territory; top 1–5% |
| 3.7–3.9 | Dean's List at most universities |
| 3.5–3.7 | Scholarship eligible at many schools |
| 3.0–3.5 | Good standing; meets most requirements |
| 2.0–3.0 | Satisfactory; some programs require higher |
| Below 2.0 | Academic probation risk |
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