Test Grade Calculator

Enter total questions and how many you got wrong to get your test score percentage and letter grade, plus a full grading chart.

Total questions or points

Number wrong (or points lost)

Grading chart

Wrong	Score	Grade

How it works

Score = (total − wrong) ÷ total × 100. The chart shows the score for every number of mistakes, useful for teachers grading quickly or students checking a result.

FAQ

Can I use points instead of questions?

Yes. Enter total points and points lost.

Which letter scale is used?

A common US scale (93+ A, 90-92 A-, etc.). Your teacher's cutoffs may differ.