Letter Grade to GPA Converter
Convert between letter grades and the 4.0 GPA scale.
This tool is for informational and educational purposes only. It is not a substitute for professional financial, medical, legal, or engineering advice. See Terms of Service.
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Request a ToolHow to Use the Letter Grade to GPA Converter
Select whether you want to convert a letter grade to a GPA number or a GPA number to a letter grade. Then enter your value.
- Choose a direction. Select "Letter Grade to GPA" to find the GPA value for a letter grade like B+ or A-. Select "GPA to Letter Grade" to find the letter equivalent for a number like 3.3.
- Enter your value. Select from the letter grade dropdown, or type a GPA between 0.0 and 4.0.
- Read the result. The converter shows the GPA equivalent, the letter grade, and the approximate percentage range.
Grade Scale Reference
Standard 4.0 grade scale with percentage ranges: 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 (63-66%), D- = 0.7 (60-62%), F = 0.0 (below 60%).
Frequently Asked Questions
What is a B+ on the 4.0 GPA scale?
A B+ equals 3.3 on the 4.0 GPA scale. It corresponds to an approximate percentage range of 87-89%. A B equals 3.0 and a B- equals 2.7. The plus/minus system allows for finer distinctions between performance levels than a simple letter grade system.
Does A+ equal 4.0 or 4.3?
It depends on the institution. Most American colleges and universities assign A+ a value of 4.0, the same as A, because the 4.0 scale is the maximum. Some schools give A+ a value of 4.3 to distinguish exceptional performance. This converter uses the most common convention where A+ = 4.0. If your school uses 4.3 for A+, check with your registrar for the official scale.
Is a 3.0 GPA a B average?
Yes, a 3.0 GPA corresponds to a B average on the standard 4.0 scale. It represents performance in the 83-86% range. A 3.0 is often considered the minimum for graduate school admission, though competitive programs typically require 3.5 or higher. A 3.0 is also commonly the threshold for academic good standing at many institutions.
Why do percentage ranges vary by school?
Grade cutoffs are set by individual institutions and even individual professors. The percentages shown here (A = 93-100%, B = 83-86%, etc.) represent the most common convention used in American higher education, but your school or professor may use slightly different cutoffs. For example, some instructors consider 90% to be an A rather than an A-. Always refer to your course syllabus for the official grading scale.