TetraKitsGrade ↔ GPA Converter
Convert between letter grades and GPA on the standard 4.0 scale in either direction. Enter B+ to get 3.3, or enter 3.3 to get the nearest letter grade — with a full reference table from A+ through F.
Read: Letter Grade to GPA Converter Guide — 4.0 Scale →
- Free to Use
- No Signup
- Privacy Friendly
How to convert grades and GPA
- 1
Choose direction
Select Letter → GPA to convert a grade like A− or C+. Select GPA → Letter to find the nearest letter for a numeric GPA.
- 2
Enter the value
Type the letter grade (case-insensitive) or GPA between 0.0 and 4.0. Results update instantly.
- 3
Use the reference table
Scroll the built-in scale for all mappings. For semester GPA from courses, use the GPA calculator.
US 4.0 grade scale
- A / 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 — 1.0 · F — 0.0
Schools may vary slightly — use this as a standard US reference.
Why Use This Tool?
Both Directions
Convert letter → GPA or GPA → nearest letter grade.
Full Scale
A+ through F with plus and minus mappings.
Reference Table
Built-in scale chart for quick lookups.
Private
Grades stay on your device.
Frequently Asked Questions
What GPA is a B+?
B+ = 3.3 on the standard 4.0 scale. A = 4.0, A− = 3.7, B = 3.0, B− = 2.7, and so on.
How is GPA converted back to a letter grade?
The tool maps GPA ranges to the nearest letter — for example, 3.5–3.84 maps to A−, 3.15–3.49 maps to B+.
Is this the same scale every college uses?
Most US colleges use a similar 4.0 scale, but some schools use +/- differently or a 5.0 weighted scale. Confirm with your institution.
Can I convert multiple grades at once?
This tool converts one value at a time. For semester GPA from a course list, use the GPA calculator.
Is this grade GPA converter free?
Yes. Free with unlimited conversions and no signup.
Letter Grades and GPA on One Scale
Transfer students comparing transcripts, high schoolers tracking college readiness, and advisors explaining GPA all need quick letter-to-number conversions. One tool handles both directions with the standard 4.0 reference scale.
