Easy Grader

What Grade Is a 21/40?

21/40 = 52.5%, which is an F on both the standard and plus/minus scales. That is 19 wrong out of 40.

52.5%21 out of 40
Standard
F
Plus / minus
F
Wrong
19

21 ÷ 40 × 100 = 52.5% ≈ 53%

How to calculate 21 out of 40

21 ÷ 40 × 100 = 52.5%

Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so21/40 is recorded as 53% — 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 19 wrongcost 47.5 points.

Nearby scores out of 40

  • 19/40 is 47.5% (F)
  • 20/40 is 50% (F)
  • 22/40 is 55% (F)
  • 23/40 is 57.5% (F)

21 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 a 21/40?

21/40 is 52.5%, which rounds to 53% — an F on the standard 90/80/70/60 scale and an F on a plus/minus scale.

What is 21 out of 40 as a percentage?

52.5%. Divide 21 by 40 and multiply by 100: 21 ÷ 40 × 100 = 52.5%. Rounded to a whole number that is 53%.

Is 21/40 passing?

No. 21/40 rounds to 53%, 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 a 21/40?

19 out of 40. Each question is worth 2.5%, so 19 wrong takes 47.5% off a perfect score.