How are plus and minus grades counted in college GPA?

On the standard 4.0 scale, an A- is 3.7, a B+ is 3.3, a B is 3.0, and so on. Each course's grade points are multiplied by its credit hours, summed, then divided by total credits.

Does a higher-credit course affect GPA more?

Yes. GPA is weighted by credit hours, so a 4-credit course moves your GPA roughly twice as much as a 2-credit course with the same grade.

College GPA Calculator

Credit-hour weighted GPA with full +/- letter-grade support on the 4.0 scale.

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