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Test score calculator

Enter the number of questions and the number wrong. You get the percentage, the letter grade and a chart for every possible score.

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Score chart

WrongCorrectScoreGrade

How it works

Score = (questions − wrong) ÷ questions × 100. Letter grades use the common US scale: 90 and up is an A, 80 to 89 a B, 70 to 79 a C, 60 to 69 a D, and below 60 an F. Many schools add plus and minus grades or use a different scale, so check yours.