College GPA works on the same credit-weighted formula as high school, but a few details make it different in practice. Here’s what you actually need to know.
The formula
GPA = total grade points ÷ total credits
Each course is worth a number of credits, and each grade has grade points on your school’s scale. Multiply grade points by credits, add everything up, and divide by total credits. A 3-credit A (4.0 × 3 = 12 points) outweighs a 1-credit B (3.0 × 1 = 3 points).
Semester vs cumulative
A semester GPA covers one term’s courses. Your cumulative GPA blends every term together, credit-weighted. A great semester moves a small cumulative total quickly, but once you have 60+ credits behind you, a single term changes the cumulative number much more slowly.
Where colleges differ
- Credit sizes: courses range from 1–5+ credits depending on the school and term type.
- Repeated courses: some schools replace the old grade, some average them, some keep both — check your institution’s policy.
- Pass/fail and withdrawals: these usually don’t add grade points but still affect your record.
- Weighted honors/AP/IB: on a 5.0 scale, advanced grades earn more points.
- Different scales: Canada (4.3), India (10), Australia (7), Nigeria (5) all top out differently.
Do the math yourself
Enter your courses in the GPA calculator, combine terms with the cumulative GPA calculator, or plan a goal with the target GPA calculator. Your official GPA is the version your school publishes.
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