Grading Scale for 13 Questions

On a 13 question test you need 12 right for an A, 11 right for a B, 10 right for a C, and 8 right for a D. Each question is worth 7.69%; the chart below has the percent and letter grade for every score.

61.54%8 out of 13
Standard
D
Plus / minus
D−
Wrong
5

8 ÷ 13 × 100 = 61.54% ≈ 62%, a DMore on 8/13 →

13 question test

A 12+ right (92%)B 11+ right (85%)C 10+ right (77%)D 8+ right (62%)each question 7.69%

WrongRightScoreGrade
013/13100%A
112/1392%A A−
211/1385%B
310/1377%C C+
49/1369%D D+
58/1362%D D−
67/1354%F
76/1346%F
85/1338%F
94/1331%F
103/1323%F
112/1315%F
121/138%F
130/130%F

How many can you miss on a 13 question test?

GradeMinimumYou can miss
A90%up to 1 wrong
B80%up to 2 wrong
C70%up to 3 wrong
D60%up to 5 wrong

On a 13 question test, you can miss up to 1 and still get an A, and up to 2 for a B. Scores are rounded to the nearest whole percent, the way most teachers record them.

Scores out of 13

  • 12 out of 13 is 92% — A
  • 11 out of 13 is 85% — B
  • 10 out of 13 is 77% — C
  • 9 out of 13 is 69% — D
  • 8 out of 13 is 62% — D

Score = right ÷ 13 × 100

Popular scores out of 13

Half points and other scales

Giving half credit, or using your school’s own scale? The Easy Grader opens with 13questions: 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 13 question test and get an A?

1. 12 out of 13 is 92%, still an A on the standard 90/80/70/60 scale.

How much is each question worth on a 13 question test?

7.69% — 100 divided by 13. Every wrong answer takes about 7.69 points off the score.

How many can you miss on a 13 question test and still pass?

Up to 5 wrong for a D (60%), the usual passing grade — that is 8 out of 13.

What is 12 out of 13 as a percentage?

12 out of 13 is 92% (12 ÷ 13 × 100), a A on the standard scale and an A− on a plus/minus scale.

What is 11 out of 13 as a percentage?

11 out of 13 is 85% (11 ÷ 13 × 100), a B on the standard scale and a B on a plus/minus scale.