Cumulative GPA Calculator
Combine prior semester GPAs and credit hours into a single cumulative GPA. Optionally project how a new term's performance will shift your overall average.
Prior semesters
Project next term (optional)
How the cumulative GPA calculator works
A cumulative GPA is a credit-weighted average of every letter-graded course you have completed. It is the single number on your transcript that represents your entire academic history. When you combine multiple semester GPAs, you cannot simply average them — that only works when every semester has the same credit load. Instead, multiply each semester's GPA by the credits earned that term, sum those products to get total quality points, sum the credits, and divide.
The projection feature lets you ask "what will my cumulative look like after next term?" You enter a projected GPA and credit load; the calculator folds those numbers into the existing blend. It does not predict what grade you will earn — that is your job. Use it to set targets: if you want your cumulative to reach 3.5 and you know your current cumulative and credits, you can back out the semester GPA you need to hit.
The formula
Total quality points = Σ (semester GPA × credits that term). Total credits = Σ (credits that term). Cumulative GPA = total quality points ÷ total credits.
Worked example: three prior semesters.
- Fall: GPA 3.6 × 15 credits = 54.0 quality points
- Spring: GPA 3.8 × 14 credits = 53.2 quality points
- Fall: GPA 3.4 × 16 credits = 54.4 quality points
Total quality points = 161.6. Total credits = 45. Cumulative GPA = 161.6 ÷ 45 = 3.591. If the student then projects a 4.0 for a 15-credit term, the new cumulative becomes (161.6 + 60.0) ÷ (45 + 15) = 221.6 ÷ 60 = 3.693 — a 0.1 jump for a perfect term.
Why the cumulative moves so slowly
This is the most common complaint about cumulative GPA: even a perfect semester barely moves the needle. The reason is mathematical. After 60 credits at a 3.0, a 4.0 term worth 15 credits gives ((60 × 3.0) + (15 × 4.0)) ÷ 75 = 3.2. Fifteen credits of perfection bought you 0.2 points of cumulative improvement. As your total credit count grows, each new term represents a smaller fraction of the whole, so its influence shrinks. This is why early-career GPA damage is harder to repair than late-career damage.
What to include and exclude
Include every semester where you earned letter grades and credit hours. Exclude: terms consisting only of Pass/Fail or Credit/No-Credit coursework (no grade points contributed), transfer credits if your institution does not roll them into the institutional GPA, and study-abroad terms graded on a separate scale. Policies vary — confirm with your registrar before reporting any cumulative figure on official documents.
Common mistakes
- Averaging semester GPAs directly. This ignores credit weighting. A 4.0 in a 6-credit summer term and a 3.0 in a 15-credit fall term do not average to 3.5 — the fall term carries 2.5× the weight.
- Including every grade ever received. Some institutions exclude repeated-course grades when the repeat policy applies. Others include both. Check the academic catalogue.
- Confusing institutional cumulative GPA with overall GPA. The cumulative GPA on your transcript typically covers only courses taken at that institution. An "overall" GPA that includes transfer credits can differ.
- Using weighted and unweighted semester GPAs together. Pick one convention and stick with it across all the semesters you enter. Mixing scales produces a nonsense number.
What this calculator is not
It is an arithmetic aggregator. It cannot tell you whether your cumulative satisfies graduation requirements, qualifies you for honors, or meets scholarship-retention thresholds — those depend on institution-specific policies. For official cumulative figures, rely on your transcript and registrar.