This tool converts a grade point average on the 4.0 scale into its letter grade and the percentage range schools usually associate with it. It’s handy for reading a transcript, comparing GPAs to grade bands, or checking which letter a given average corresponds to.
How it works
The converter uses the standard US unweighted mapping. It takes your GPA (clamped to the 0.0-4.0 range) and returns the highest letter band whose minimum GPA your value reaches. The bands are:
| GPA (min) | Letter | Typical % |
|---|---|---|
| 4.0 | A | 93–100% |
| 3.7 | A− | 90–92% |
| 3.3 | B+ | 87–89% |
| 3.0 | B | 83–86% |
| 2.7 | B− | 80–82% |
| 2.3 | C+ | 77–79% |
| 2.0 | C | 73–76% |
| 1.7 | C− | 70–72% |
| 1.3 | D+ | 67–69% |
| 1.0 | D | 63–66% |
| 0.7 | D− | 60–62% |
| 0.0 | F | Below 60% |
Example
Enter a GPA of 3.5. The tool finds the highest band the value reaches: 3.5 clears the B+ threshold of 3.3 but not the A− threshold of 3.7. So 3.5 maps to B+, typically an 87-89% average.
The conversion runs entirely in your browser and nothing is uploaded.
When to use this tool — and what it cannot do
Reading a transcript
US transcripts list both the letter grade and the GPA points for each course. The overall GPA is a credit-weighted average across courses. If you have a cumulative GPA and want to know the corresponding letter grade band, this tool answers that directly. A 3.5 cumulative GPA is B+ level; a 3.0 is solid B.
Comparing to a scholarship or program minimum
Many scholarships and graduate programs state a minimum GPA — “3.0 required” is common. If your cumulative GPA is 2.85, this tool shows you that sits in the B− band, below the B minimum. Being close to a cutoff is worth noting, since programs often state the minimum as an average of the admitted class rather than a hard floor.
Grade boundaries worth remembering
Plus and minus grades occupy narrow bands that are easy to misread:
- 3.7 is the bottom of A−, not a full A. A true A requires 4.0 on the unweighted scale.
- 2.9 is a B−, not a B. B begins at 3.0 exactly.
- 1.0 is a D, not an F. F is 0.0 only.
Weighted vs unweighted GPA
This tool uses the unweighted 4.0 scale, where the maximum is 4.0 regardless of course difficulty. Many US high schools calculate a weighted GPA where AP and IB courses add bonus points, pushing the maximum above 4.0. If your GPA exceeds 4.0 on a weighted scale, use a weighted GPA calculator instead — the letter-grade result from this tool would be meaningless at those values.
GPA context for graduate school
Most US master’s programs state a 3.0 (B) minimum. Competitive programs in engineering, law, medicine, and other professional fields often see admitted-class averages at 3.5 (B+) or above. These are descriptive averages of the class admitted, not cutoffs — applicants below the average may still be considered with strong research, work experience, or recommendations. Treat the letter this tool returns as one orientation point among several.