GPA Calculator
Calculate your GPA from course grades and credit hours. Supports standard US 4.0 scale with plus/minus grades.
What is GPA Calculator?
A GPA (Grade Point Average) calculator computes your cumulative or semester GPA based on course grades and credit hours. GPA is calculated as the sum of (grade points × credit hours) divided by total credit hours, weighted so that higher-credit courses have proportionally more impact on your average. This tool handles both semester calculations and cumulative GPA updates, supporting the standard 4.0 scale used by most US universities and many international institutions.
How It Works
Enter each course's letter grade (A through F, with +/- variants) and credit hours. The tool converts letter grades to grade points (A=4.0, A-=3.7, B+=3.3, etc.), multiplies each by credit hours for quality points, sums all quality points, and divides by total credit hours. For cumulative GPA, you can enter your existing GPA and total credits alongside new courses to see how the semester affects your overall average. The weighted calculation ensures a 4-credit A impacts your GPA more than a 1-credit A.
Common Use Cases
- •Calculating semester GPA to track academic progress and standing requirements
- •Predicting cumulative GPA after upcoming semester based on expected grades
- •Determining what grades are needed in remaining courses to achieve a target GPA
- •Verifying official transcript GPA calculations for accuracy before applications
- •Planning course loads to understand how dropping a low grade affects overall GPA
- •Converting between 4.0 scale and percentage-based grading systems for international applications
Frequently Asked Questions
What grade scale is used?▼
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, etc.
How is a weighted GPA different from an unweighted one?▼
An unweighted GPA caps every course at 4.0 regardless of difficulty. A weighted GPA adds extra points for advanced courses, typically 5.0 for an A in an AP or IB subject, so it can exceed 4.0. Institutions differ on which they use, and many recalculate from your transcript using their own scale.
How do credit hours affect the calculation?▼
Each course's grade points are multiplied by its credit hours, and the total is divided by total credits. A four-credit course therefore moves your GPA twice as much as a two-credit one, which is why a poor grade in a large course hurts disproportionately.
What are the grade point values for letter grades?▼
On the standard 4.0 scale, A is 4.0, B is 3.0, C is 2.0, D is 1.0 and F is 0. Where plus and minus grades are used, A− is typically 3.7, B+ is 3.3 and B− is 2.7. Some institutions cap A+ at 4.0 while others award 4.3, so confirm your own scale.
Do failed or retaken courses count?▼
Policies vary considerably. Some institutions replace the original grade on a retake, others average the two, and many keep the failure in the cumulative GPA while granting credit only once. Check your registrar's policy, since the difference is significant.
How do I convert a percentage to a GPA?▼
There is no universal mapping, which is why conversions between systems are always approximate. A rough US guide is 90 to 100% for a 4.0, 80 to 89% for 3.0 and 70 to 79% for 2.0, but a UK first-class degree or an Indian percentage does not map cleanly. Use the receiving institution's published table where one exists.
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