Easy Grader

What Grade Is an 18/40?

18/40 = 45%, which is an F on both the standard and plus/minus scales. That is 22 wrong out of 40.

45%18 out of 40
Standard
F
Plus / minus
F
Wrong
22

18 ÷ 40 × 100 = 45%

How to calculate 18 out of 40

18 ÷ 40 × 100 = 45%

Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so18/40 is recorded as 45% — an F on the standard 90/80/70/60 scale and an F on a plus/minus scale. Each question is worth 2.5%, so 22 wrongcost 55 points.

Nearby scores out of 40

  • 16/40 is 40% (F)
  • 17/40 is 42.5% (F)
  • 19/40 is 47.5% (F)
  • 20/40 is 50% (F)

18 out of nearby totals

Grade a whole test of 40

See the full grading chart for 40 questions for every score out of 40, or open the Easy Grader with 40 questions to mark each paper, add half points and use your own scale.

Frequently asked questions

What grade is an 18/40?

18/40 is 45%, which rounds to 45% — an F on the standard 90/80/70/60 scale and an F on a plus/minus scale.

What is 18 out of 40 as a percentage?

45%. Divide 18 by 40 and multiply by 100: 18 ÷ 40 × 100 = 45%.

Is 18/40 passing?

No. 18/40 rounds to 45%, below the usual 60% pass mark, so it is an F. You need at least 24 out of 40 to pass.

How many questions were missed on an 18/40?

22 out of 40. Each question is worth 2.5%, so 22 wrong takes 55% off a perfect score.