What Grade Is a 21/24?

21/24 = 87.5%, which is a B (B+ on a plus/minus scale). That is 3 wrong out of 24.

87.5%21 out of 24
Standard
B
Plus / minus
B+
Wrong
3

21 ÷ 24 × 100 = 87.5% ≈ 88%

How to calculate 21 out of 24

21 ÷ 24 × 100 = 87.5%

Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so21/24 is recorded as 88% — a B on the standard 90/80/70/60 scale and a B+ on a plus/minus scale. Each question is worth 4.17%, so 3 wrongcost 12.5 points.

Nearby scores out of 24

  • 19/24 is 79.17% (C+)
  • 20/24 is 83.33% (B)
  • 22/24 is 91.67% (A−)
  • 23/24 is 95.83% (A)

21 out of nearby totals

Grade a whole test of 24

See the full grading chart for 24 questions for every score out of 24, or open the Easy Grader with 24 questions to mark each paper, add half points and use your own scale.

Frequently asked questions

What grade is a 21/24?

21/24 is 87.5%, which rounds to 88% — a B on the standard 90/80/70/60 scale and a B+ on a plus/minus scale.

What is 21 out of 24 as a percentage?

87.5%. Divide 21 by 24 and multiply by 100: 21 ÷ 24 × 100 = 87.5%. Rounded to a whole number that is 88%.

Is 21/24 passing?

Yes. 21/24 rounds to 88%, 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 21/24?

3 out of 24. Each question is worth 4.17%, so 3 wrong takes 12.5% off a perfect score.