Semester GPA Calculator

Step 1: Enter the name of your first course in the Course field (e.g., "Calculus" or "English 101"). This is optional but helps you keep track.

Step 2: Set the number of credit hours for the course. Most college courses are 3 or 4 credits. Lab courses may be 1 credit.

Step 3: Select your letter grade from the dropdown menu (A+ through F).

Step 4: Repeat for each course in your semester. Click "+ Add more courses" if you need additional rows.

Step 5: Click "Calculate GPA" to see your semester GPA on the 4.0 scale, along with a breakdown of quality points per course.

Your semester GPA is the grade point average for a single academic term — typically a fall or spring semester, or a summer session. It reflects your performance in only the courses taken during that specific term.

Unlike cumulative GPA (which averages all semesters together), semester GPA gives you a snapshot of how you performed in one term. Many students track their semester GPA to see if they're improving over time or to check if they meet requirements for Dean's List, scholarships, or academic probation thresholds.

Semester GPA is calculated the same way as any GPA: multiply each course's grade points by its credit hours to get quality points, sum all quality points, then divide by total credit hours. A typical full-time semester is 12-18 credits across 4-6 courses.

Most US colleges use the 4.0 scale where A = 4.0 and F = 0.0. Some schools use plus/minus grading (A-, B+, etc.) which creates intermediate values like 3.7 and 3.3.

Semester GPA = Total Quality Points ÷ Total Credit Hours

Quality Points per course = Grade Points × Credit Hours

Example:
- Calculus (4 credits, B+): 3.3 × 4 = 13.2 quality points
- English (3 credits, A): 4.0 × 3 = 12.0 quality points
- History (3 credits, A-): 3.7 × 3 = 11.1 quality points
- Biology (4 credits, B): 3.0 × 4 = 12.0 quality points

Total Quality Points = 48.3
Total Credits = 14

Semester GPA = 48.3 ÷ 14 = 3.45

Example 1: Typical Full-Time Semester
A student taking 5 courses: Intro to Psychology (3 cr, A), College Algebra (3 cr, B+), English Composition (3 cr, A-), US History (3 cr, B), and Biology Lab (1 cr, A). Total credits: 13. Semester GPA: 3.52

Example 2: Heavy STEM Semester
An engineering student: Calculus II (4 cr, B), Physics I (4 cr, B-), Chemistry (4 cr, C+), Engineering Design (3 cr, A). Total credits: 15. Semester GPA: 2.89

Example 3: Dean's List Semester
A strong semester: Organic Chemistry (4 cr, A), Statistics (3 cr, A), Literature (3 cr, A-), Sociology (3 cr, A), Elective (3 cr, A+). Total credits: 16. Semester GPA: 3.93

Check your credits are correct. A common mistake is entering the wrong number of credits for a course. A 4-credit class with a B has twice the impact of a 2-credit class with the same grade. Verify credit hours against your course catalog or registration receipt.

Don't confuse grade points with percentages. An 89% in a class is a B+ (3.3 grade points), not 3.56 on the GPA scale. Always convert your percentage to a letter grade first, then use the standard grade point value.

Consider the impact of plus/minus grading. The difference between a B+ (3.3) and a B (3.0) is 0.3 grade points per credit. In a 4-credit course, that's 1.2 quality points — enough to shift your semester GPA noticeably. If you're on the border between grades, the plus/minus can matter.

Lab sections often have separate grades. Some universities grade the lecture and lab portions of a science course separately. Make sure you're entering both if they appear as distinct courses on your transcript.