Letter Grade Converter
Calculate letter grade using your data.
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What this tool does
Calculate letter grade using your data. Default US whole-letter scale; confirm your institution's cutoffs and plus/minus rules.
How to use the Letter Grade Converter
- Enter or select grade (%).
- Read the calculated result; change any measurement to compare alternatives.
Formula
A≥90; B≥80; C≥70; D≥60; F<60
- score
- Grade (%)
Default US whole-letter scale; confirm your institution's cutoffs and plus/minus rules.
Worked example
For letter grade converter, the following measurements illustrate the exact method: Grade (%): 87.
Inputs
- Grade (%)87
Result
- Letter gradeB
Results explained
- Letter grade
- Letter grade from the formula above. Default US whole-letter scale; confirm your institution's cutoffs and plus/minus rules.
Frequently asked questions
A≥90; B≥80; C≥70; D≥60; F<60
Default US whole-letter scale; confirm your institution's cutoffs and plus/minus rules.
Enter numbers only, separated as described in the labels. Check sample units and remove missing values rather than substituting zero.
No. Statistical inference depends on sampling design, independence, model fit and interpretation; a p-value is not the probability that a hypothesis is true.
No. Calculations and numerical distribution algorithms run entirely in the browser.