Letter Grade to 4.0 GPA Converter: Complete Guide (2025)
Use our letter grade to 4.0 GPA converter to translate A–F grades into GPA. Supports standard, plus/minus, and weighted (AP/IB) scales.
Standard GPA Scale (No +/−)
| Letter | GPA | Percentage |
|---|---|---|
| A | 4.0 | 90–100% |
| B | 3.0 | 80–89% |
| C | 2.0 | 70–79% |
| D | 1.0 | 60–69% |
| F | 0.0 | Below 60% |
With +/− (Most Common)
| Letter | GPA | Percentage |
|---|---|---|
| A+ | 4.0 | 97–100% |
| A | 4.0 | 93–96% |
| A- | 3.7 | 90–92% |
| B+ | 3.3 | 87–89% |
| B | 3.0 | 83–86% |
| B- | 2.7 | 80–82% |
| C+ | 2.3 | 77–79% |
| C | 2.0 | 73–76% |
| C- | 1.7 | 70–72% |
| D+ | 1.3 | 67–69% |
| D | 1.0 | 65–66% |
| F | 0.0 | Below 65% |
Weighted Scale (AP/IB/Honors)
- Add +1.0 to GPA (A = 5.0, B = 4.0)
- Max GPA = 5.0
- Used for advanced courses
Step-by-Step Guide
- Select system: Standard, +/−, or Weighted
- Choose letter: A+ to F
- Get GPA instantly
Why Use This Converter?
- Accurate & official
- Supports all systems
- Instant results
- Free
FAQ
Is A- a 3.7 or 4.0?
3.7 in most US high schools. Some use 4.0.
What is B+ in GPA?
3.3 on 4.0 scale.
Does AP A = 5.0?
Yes in weighted systems.
Tips for GPA Success
- Avoid C’s — they drop GPA fast
- Take AP/IB for weighted boost
- Use our Weighted GPA Calculator
Conclusion
Whether applying to college or checking transcripts, our letter to GPA converter gives accurate results. Convert now!
Related: Percentage to 4.0 | Final Grade