Free interactive student tool
Free Grade Percentage and Letter Converter
Free Grade Percentage and Letter Converter. Use editable grading thresholds because institutional scales differ.
Immediate resultNo sign-up requiredTransparent methodOptional email copy
Enter your information
Use the Grade Percentage and Letter Converter
Complete the fields below. The result stays in your browser unless you choose to email yourself a copy.
Your result
Review and refine this output
Complete the tool and your result will appear here immediately. No email is required.
Send yourself a copy
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Selected cutoff table
How this tool reaches its result
The converter maps a percentage to a displayed plus/minus letter scale and shows the next threshold.
Selected cutoff table
Worked context
How to interpret the output
A score of 89.5 may be B+ or A− depending on the selected cutoff and rounding policy.
Important limitation
What the result cannot decide for you
Use the exact grading scale in the syllabus; there is no universal college letter-grade table.