Printable grading chart

Grading Scale for 31 Questions

Each question on a 31 question test is worth 3.23%. Find the score and letter grade for any number wrong — or print the chart and keep it next to the tests.

31 question test

A 90 · B 80 · C 70 · D 60 · each question 3.23%

WrongRightScoreGrade
031/31100%A
130/3197%A
229/3194%A
328/3190%A A−
427/3187%B B+
526/3184%B
625/3181%B B−
724/3177%C C+
823/3174%C
922/3171%C C−
1021/3168%D D+
1120/3165%D
1219/3161%D D−
1318/3158%F
1417/3155%F
1516/3152%F
WrongRightScoreGrade
1615/3148%F
1714/3145%F
1813/3142%F
1912/3139%F
2011/3135%F
2110/3132%F
229/3129%F
238/3126%F
247/3123%F
256/3119%F
265/3116%F
274/3113%F
283/3110%F
292/316%F
301/313%F
310/310%F

How many can you miss on a 31 question test?

GradeMinimumYou can miss
A90%up to 3 wrong
B80%up to 6 wrong
C70%up to 9 wrong
D60%up to 12 wrong

On a 31 question test, you can miss up to 3 and still get an A, and up to 6 for a B. Scores are rounded to the nearest whole percent, the way most teachers record them.

Scores out of 31

  • 30 out of 31 is 97% — A
  • 29 out of 31 is 94% — A
  • 28 out of 31 is 90% — A
  • 27 out of 31 is 87% — B
  • 26 out of 31 is 84% — B

Score = right ÷ 31 × 100

Half points and other scales

Giving half credit, or using your school’s own scale? The Easy Grader opens with 31questions: mark each wrong answer, add half points, switch to a plus/minus or custom scale, and print a chart that matches.

Frequently asked questions

How many can you miss on a 31 question test and get an A?

3. 28 out of 31 is 90%, still an A on the standard 90/80/70/60 scale.

How much is each question worth on a 31 question test?

3.23% — 100 divided by 31. Every wrong answer takes about 3.23 points off the score.

How many can you miss on a 31 question test and still pass?

Up to 12 wrong for a D (60%), the usual passing grade — that is 19 out of 31.

What is 30 out of 31 as a percentage?

30 out of 31 is 97% (30 ÷ 31 × 100), a A on the standard scale and an A on a plus/minus scale.

What is 29 out of 31 as a percentage?

29 out of 31 is 94% (29 ÷ 31 × 100), a A on the standard scale and an A on a plus/minus scale.