Back to Easy Grader Calculator

Printable EZ Grader Chart

Easy Grader Chart for 20 Questions

Complete grading scale for a 20-question test. Find the number of wrong answers in the left column to read the percentage score and letter grade instantly — no calculator needed.

21 rows · A+/A− scale

How to read this chart: Find the number of questions your student got wrong in the “Wrong Answers” column. The corresponding row shows the percentage score and letter grade. Formula: score = ((total − wrong) ÷ total) × 100

Wrong AnswersScoreLetter GradeCorrect
0100%A+20
195%A19
290%A-18
385%B17
480%B-16
575%C15
670%C-14
765%D13
860%D-12
955%F11
1050%F10
1145%F9
1240%F8
1335%F7
1430%F6
1525%F5
1620%F4
1715%F3
1810%F2
195%F1
200%F0

Failing scores (below 60%) are highlighted in red. Reviewed by AssignClear Education Team · July 2026.

Track who didn't submit

AssignClear keeps a live missing-work roster so nothing falls through the cracks.

Try for free