Easy Grader

What Grade Is a 28/40?

28/40 = 70%, which is a C (C− on a plus/minus scale). That is 12 wrong out of 40.

70%28 out of 40
Standard
C
Plus / minus
C−
Wrong
12

28 ÷ 40 × 100 = 70%

How to calculate 28 out of 40

28 ÷ 40 × 100 = 70%

Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so28/40 is recorded as 70% — a C on the standard 90/80/70/60 scale and a C− on a plus/minus scale. Each question is worth 2.5%, so 12 wrongcost 30 points.

Nearby scores out of 40

  • 26/40 is 65% (D)
  • 27/40 is 67.5% (D+)
  • 29/40 is 72.5% (C)
  • 30/40 is 75% (C)

28 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 28/40?

28/40 is 70%, which rounds to 70% — a C on the standard 90/80/70/60 scale and a C− on a plus/minus scale.

What is 28 out of 40 as a percentage?

70%. Divide 28 by 40 and multiply by 100: 28 ÷ 40 × 100 = 70%.

Is 28/40 passing?

Yes. 28/40 rounds to 70%, 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 28/40?

12 out of 40. Each question is worth 2.5%, so 12 wrong takes 30% off a perfect score.