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GPA Calculator

Calculate semester and cumulative GPA. 4.0 scale, grade points, multiple courses.

A GPA calculator computes your semester and cumulative grade point average on a 4.0 scale, supporting up to five courses with plus/minus letter grades and prior credit history.

Optionally enter your current GPA and total credits already earned to compute a cumulative GPA. Add up to 5 courses: for each, enter the number of credits and the letter grade (A through F, 4.0 scale). Click Calculate to see your semester GPA and, if you entered prior credits, your cumulative GPA, with step-by-step details.

Examples

Semester GPA

3 courses: Biology (4 cr, A = 4.0), English (3 cr, B+ = 3.3), Math (4 cr, A- = 3.7). Semester GPA = (16 + 9.9 + 14.8) / 11 = 3.70.

Cumulative GPA

Prior: 3.2 GPA over 60 credits (192 points). New semester: 15 credits, 3.8 GPA (57 points). Cumulative = (192 + 57) / 75 = 3.32.

Frequently Asked Questions

What GPA scale does this use?
The standard US 4.0 scale where A = 4.0, B = 3.0, C = 2.0, D = 1.0, and F = 0.0. Plus/minus grades are supported (e.g., A- = 3.7, B+ = 3.3).
How do I calculate cumulative GPA?
Enter your existing GPA and total credits earned, then add your new courses. The calculator combines old and new grade points to compute your updated cumulative GPA.
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Quick Tips

  • •Double-check your inputs — entering the wrong credit count for a course skews the weighted average.
  • •Enter your prior GPA and total credits to see how new grades affect your cumulative standing.
  • •Use the step-by-step breakdown to verify intermediate calculations.

A GPA calculator computes your semester and cumulative grade point average on a 4.0 scale, supporting up to five courses with plus/minus letter grades and prior credit history.

How to Use This Calculator

Optionally enter your current GPA and total credits already earned to compute a cumulative GPA. Add up to 5 courses: for each, enter the number of credits and the letter grade (A through F, 4.0 scale). Click Calculate to see your semester GPA and, if you entered prior credits, your cumulative GPA, with step-by-step details.

Understanding the Formula

GPA = Σ(grade point × credits) / Σ(credits). Cumulative = (old GPA×old cr + new points) / total cr.

Examples

Semester GPA

3 courses: Biology (4 cr, A = 4.0), English (3 cr, B+ = 3.3), Math (4 cr, A- = 3.7). Semester GPA = (16 + 9.9 + 14.8) / 11 = 3.70.

Cumulative GPA

Prior: 3.2 GPA over 60 credits (192 points). New semester: 15 credits, 3.8 GPA (57 points). Cumulative = (192 + 57) / 75 = 3.32.

Frequently Asked Questions

What GPA scale does this use?

The standard US 4.0 scale where A = 4.0, B = 3.0, C = 2.0, D = 1.0, and F = 0.0. Plus/minus grades are supported (e.g., A- = 3.7, B+ = 3.3).

How do I calculate cumulative GPA?

Enter your existing GPA and total credits earned, then add your new courses. The calculator combines old and new grade points to compute your updated cumulative GPA.

Assumptions & Limitations

  • Uses the standard US 4.0 grading scale; other scales (e.g., 5.0, percentage-based) are not supported.
  • Assumes all courses are equally weighted by credit hours; pass/fail courses are not factored in.
  • Prior GPA and credits are assumed to be accurate — errors will carry through to the cumulative result.