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C- GPA: what is an C- worth?
On the standard US 4.0 scale, an C- is worth 1.7 grade points (roughly 70–72%). Enter a percentage below to see its letter and GPA.
C- on the 4.0 scale
An C- maps to 1.7 grade points and a percentage of about 70–72%. Your GPA is the credit-weighted average of these points across all your courses.
Full letter-to-GPA table
| Letter | GPA points |
|---|---|
| A | 4.0 |
| A- | 3.7 |
| B+ | 3.3 |
| B | 3.0 |
| B- | 2.7 |
| C+ | 2.3 |
| C | 2.0 |
| C- | 1.7 |
| D+ | 1.3 |
| D | 1.0 |
| D- | 0.7 |
| F | 0.0 |
How an C- affects your GPA
One C- in a 3-credit course contributes 1.7 × 3 = 5.1 grade points. Combine all courses with the GPA calculator to see your overall GPA.
Frequently asked questions
How many GPA points is an C-?
An C- is worth 1.7 grade points on the 4.0 scale.
What percentage is an C-?
Typically about 70–72%, though exact cut-offs vary by school.
How do I turn letter grades into a GPA?
Multiply each course’s points by its credits, sum, and divide by total credits — or use the GPA calculator.
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