Easy Grader

What Grade Is a 15/18?

15/18 = 83.33%, which is a B on both the standard and plus/minus scales. That is 3 wrong out of 18.

83.33%15 out of 18
Standard
B
Plus / minus
B
Wrong
3

15 ÷ 18 × 100 = 83.33% ≈ 83%

How to calculate 15 out of 18

15 ÷ 18 × 100 = 83.33%

Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so15/18 is recorded as 83% — a B on the standard 90/80/70/60 scale and a B on a plus/minus scale. Each question is worth 5.56%, so 3 wrongcost 16.67 points.

Nearby scores out of 18

  • 13/18 is 72.22% (C−)
  • 14/18 is 77.78% (C+)
  • 16/18 is 88.89% (B+)
  • 17/18 is 94.44% (A)

15 out of nearby totals

Grade a whole test of 18

See the full grading chart for 18 questions for every score out of 18, or open the Easy Grader with 18 questions to mark each paper, add half points and use your own scale.

Frequently asked questions

What grade is a 15/18?

15/18 is 83.33%, which rounds to 83% — a B on the standard 90/80/70/60 scale and a B on a plus/minus scale.

What is 15 out of 18 as a percentage?

83.33%. Divide 15 by 18 and multiply by 100: 15 ÷ 18 × 100 = 83.33%. Rounded to a whole number that is 83%.

Is 15/18 passing?

Yes. 15/18 rounds to 83%, at or above the usual 60% pass mark. Some classes need a C (70%) or higher to pass.

How many questions were missed on a 15/18?

3 out of 18. Each question is worth 5.56%, so 3 wrong takes 16.67% off a perfect score.