GPA Calculator
Calculate your semester and cumulative GPA on the 4.0 scale. Add courses, select grades, enter credit hours, and get instant results.
Courses
4 coursesSemester GPA
3.52
A-
13 credits ยท 45.7 quality pts
| Course | Grade | Credits | Quality Pts |
|---|---|---|---|
| Course 1 | A | 3 | 12.0 |
| Course 2 | B+ | 3 | 9.9 |
| Course 3 | A- | 4 | 14.8 |
| Course 4 | B | 3 | 9.0 |
| Total | 3.52 | 13 | 45.7 |
How GPA is Calculated
GPA (Grade Point Average) is a standardized way to measure academic performance. It converts letter grades into a numerical scale and weights them by credit hours to give a single score representing your overall academic achievement.
GPA Formula
GPA = ฮฃ(Grade Points ร Credit Hours) / ฮฃ(Credit Hours) Quality Points = Grade Points ร Credit Hours per course
GPA = Total Quality Points รท Total Credit Hours
Grade Point Scale (4.0)
| Grade | Points | Percentage (Typical) |
|---|---|---|
| A+ / A | 4.0 | 93โ100% |
| A- | 3.7 | 90โ92% |
| B+ | 3.3 | 87โ89% |
| B | 3.0 | 83โ86% |
| B- | 2.7 | 80โ82% |
| C+ | 2.3 | 77โ79% |
| C | 2.0 | 73โ76% |
| C- | 1.7 | 70โ72% |
| D+ | 1.3 | 67โ69% |
| D | 1.0 | 60โ66% |
| F | 0.0 | Below 60% |
Worked Example
A student takes 4 courses this semester:
| Course | Grade | Credits | Quality Pts |
|---|---|---|---|
| English 101 | A (4.0) | 3 | 12.0 |
| Calculus I | B+ (3.3) | 4 | 13.2 |
| Chemistry | A- (3.7) | 4 | 14.8 |
| History | B (3.0) | 3 | 9.0 |
| Total | 14 | 49.0 |
Semester GPA = 49.0 รท 14 = 3.50
How to Interpret Results
Your GPA on the 4.0 scale maps to general academic standing: 3.7-4.0 (summa/magna cum laude range), 3.3-3.69 (cum laude, dean's list typical), 3.0-3.29 (good standing), 2.0-2.99 (satisfactory), below 2.0 (academic probation risk). Graduate school admissions typically require 3.0+ minimum, with competitive programs expecting 3.5+.
Practical Use Cases
- Determining eligibility for academic honors (dean's list typically requires 3.5+ semester GPA)
- Graduate school application planning (knowing target GPA for program requirements)
- Calculating what grades you need in remaining courses to reach a target cumulative GPA
- Scholarship eligibility and maintenance (many scholarships require 3.0+ GPA)
- Comparing academic performance across different grading systems internationally
- Resume and job application decision (whether to include GPA โ typically include if 3.0+)
Worked Example: Semester GPA Calculation
Taking 4 courses: Biology (4 credits, B+), Calculus (3 credits, A-), English (3 credits, A), History (3 credits, B):
- Biology: 3.3 ร 4 = 13.2
- Calculus: 3.7 ร 3 = 11.1
- English: 4.0 ร 3 = 12.0
- History: 3.0 ร 3 = 9.0
- Total quality points: 45.3 รท Total credits: 13
- Semester GPA: 45.3 รท 13 = 3.48
Common Mistakes
- Not weighting by credit hours (a 4-credit A matters more than a 1-credit A)
- Assuming all universities use the same scale (some use +/-, some don't; some use 5.0 scale for honors)
- Including pass/fail or audit courses in GPA calculation (these don't carry grade points)
- Not knowing that W (withdrawal) doesn't affect GPA but F does
- Confusing semester GPA with cumulative GPA (cumulative includes all semesters together)
- Thinking retaking a course always replaces the old grade (policy varies โ some average both)
Frequently Asked Questions
How is GPA calculated?
GPA is calculated by dividing total quality points by total credit hours. Quality points for each course = grade points ร credit hours. For example, an A (4.0) in a 3-credit course yields 12.0 quality points. Sum all quality points, divide by total credits, and you get your GPA.
What GPA scale does this use?
This calculator uses the standard US 4.0 scale: A/A+ = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0, C- = 1.7, D+ = 1.3, D = 1.0, D- = 0.7, F = 0.0. Some institutions use slightly different scales (e.g., A+ = 4.3).
What is the difference between semester and cumulative GPA?
Semester GPA is calculated from only the current semester courses. Cumulative GPA includes all courses across all semesters. To calculate cumulative GPA, enter your existing GPA and total credits completed, then add your current courses.
What is a good GPA?
It depends on context. Generally: 3.5-4.0 is excellent (Dean's List, honors), 3.0-3.49 is good, 2.5-2.99 is average, 2.0-2.49 is below average but passing, and below 2.0 may trigger academic probation. For graduate school admission, most programs expect 3.0+.
Do plus/minus grades affect GPA significantly?
Yes. The difference between a B+ (3.3) and a B- (2.7) is 0.6 points โ significant over many courses. In a 15-credit semester, that 0.6 difference in one 3-credit course changes your semester GPA by 0.12 points.
How do I calculate GPA with repeated courses?
Policies vary by institution. Most schools use "grade replacement" where only the better grade counts toward GPA. Others average both attempts. Check your school's policy. In this calculator, enter only the grade that will count toward your GPA.
Can I raise my GPA quickly?
GPA becomes harder to change with more completed credits (the "GPA inertia" effect). With 90 credits at 3.0, getting a 4.0 in a 3-credit course only raises your cumulative GPA to 3.032. Focus on higher-credit courses for maximum impact, and take advantage of grade replacement policies if available.