Letter Grades to the 4.0 GPA Scale: Conversion Table and Examples
October 21, 2026
On the most common 4.0 scale, A equals 4.0, B equals 3.0, C equals 2.0, D equals 1.0, and F equals 0. Plus and minus grades adjust the value by about 0.3, so a B+ is 3.3 and an A- is 3.7. Schools differ on details, such as whether an A+ counts as 4.3, so check your institution's own table before relying on any chart.
Skip the math and get your answer instantly:
Open the GPA Calculator →The Standard Table
The table below shows the widely used version with no A+ bonus. Your school may publish a slightly different one.
| Letter grade | Grade points | Typical percentage |
|---|---|---|
| A | 4.0 | 93 to 100 |
| A- | 3.7 | 90 to 92 |
| B+ | 3.3 | 87 to 89 |
| B | 3.0 | 83 to 86 |
| B- | 2.7 | 80 to 82 |
| C+ | 2.3 | 77 to 79 |
| C | 2.0 | 73 to 76 |
| C- | 1.7 | 70 to 72 |
| D | 1.0 | 60 to 69 |
| F | 0.0 | below 60 |
A Credit-Weighted Example
Suppose you earn an A (4 credits), a B+ (3 credits), a C (3 credits), and an A- (2 credits). Quality points are 4.0 × 4 = 16, 3.3 × 3 = 9.9, 2.0 × 3 = 6, and 3.7 × 2 = 7.4, totalling 39.3. With 12 credits, the semester GPA is 39.3 ÷ 12 = 3.275, usually shown as 3.28.
A simple average of the four grade points would be 3.25, so credit weighting matters even in this small case.
Pass/Fail and Other Exceptions
Pass/fail and audit courses usually earn credit without grade points, so they do not change your GPA. Withdrawals are generally excluded, though an F from an unauthorized withdrawal may count. Repeated courses follow the school's replacement or averaging rule.
Percentages are mapped to letters differently across schools, so convert using your own syllabus.
Frequently Asked Questions
What GPA is a B+?
3.3 on the common 4.0 scale.
Does an A+ count as 4.3?
At some schools yes, but many cap at 4.0. Check your school's policy.
How do I calculate a semester GPA?
Multiply each grade point value by its credits, add the results, and divide by total credits.
Do pass/fail classes affect GPA?
Usually not, although they may count toward credits earned.