Cumulative GPA Calculator
Enter your current GPA, completed credits, and this semester's courses to estimate your new cumulative GPA.
Calculate your new cumulative GPA
This calculator combines your existing GPA record with your current semester courses.
How to use this calculator
- 1. Current cumulative GPA — Enter the GPA shown on your transcript or school portal. This is your GPA before this semester's grades are factored in.
- 2. Completed credits — Enter the total credit hours already counted in that GPA. Look for "credit hours attempted" or "earned credits" on your transcript. Do not include this semester's credits.
- 3. This semester's courses — Add each course with its credit hours and your expected or final letter grade.
- 4. Calculate — The result shows your projected new cumulative GPA and this semester's GPA side by side.
Formula
New cumulative GPA = (current GPA x completed credits + semester grade points) / total credits
This calculator first estimates your semester GPA, then combines those grade points with the grade points already represented by your current cumulative GPA.
Examples
Example 1 — Improving a 3.2 GPA
Current GPA: 3.20 · Completed credits: 30 · This semester: 12 credits, all As (4.0 each)
Semester grade points: 12 × 4.0 = 48.0 · Prior grade points: 3.20 × 30 = 96.0
New GPA: (96.0 + 48.0) ÷ (30 + 12) = 144 ÷ 42 = 3.43
Example 2 — Recovering from a rough semester
Current GPA: 2.50 · Completed credits: 15 · This semester: 15 credits averaging B+ (3.3)
Semester grade points: 15 × 3.3 = 49.5 · Prior grade points: 2.50 × 15 = 37.5
New GPA: (37.5 + 49.5) ÷ 30 = 87 ÷ 30 = 2.90
Why your credit base determines how fast your GPA moves
The more credits you have already completed, the harder a single semester can move your cumulative GPA. This is the most important concept to understand when planning a GPA recovery.
15 credits completed — early in college
One semester of 15 credits with all As (4.0) raises a 2.50 GPA to 3.25 — a jump of 0.75 points.
90 credits completed — senior year
The same semester of all As raises a 2.50 GPA to only 2.71 — a jump of just 0.21 points.
GPA recovery is structurally easier early in college. If you are later in your program, use this calculator to model realistic scenarios — and focus on high-credit courses where each grade point gained has the most impact.
FAQ
How is cumulative GPA calculated?
Cumulative GPA combines your existing grade points with this semester's new grade points, then divides by total credits. Formula: (current GPA × completed credits + semester grade points) ÷ total credits.
What are completed credits?
Completed credits are the total credit hours already counted in your current cumulative GPA. You can find this on your transcript or school portal — look for 'credit hours attempted' or 'earned credits'.
Can this match my official transcript exactly?
It is an estimate. Schools may use different grade scales, repeat-course replacement rules, or transfer-credit policies that this calculator does not account for.
How many credits does it take to significantly move my GPA?
The more credits you have completed, the harder it is to move your GPA. With 30 credits completed, one 3-credit A can move your GPA by about 0.07 points. With 90 credits, the same course moves it by about 0.02 points.
What if I want to raise my cumulative GPA by 0.1?
Use this calculator to experiment. Enter your current GPA and credits, then try all-A scenarios for upcoming semesters to see how many credits of strong performance you need. The larger your existing credit base, the more future credits are required.
Should I include transfer credits in my completed credits?
Only if your school includes transfer credits in your cumulative GPA calculation. Many schools calculate GPA only on courses taken at that institution. Check your school's transfer credit policy.
Related tools
This calculator is for planning only. Your official grade is determined by your instructor, school, or learning management system.