8 out of 21 as a Percentage
8 out of 21 is 38.10%, which is a letter grade of F.
Percentage
38.10%
Letter Grade
F
Wrong Answers
13
Simplified
8/21
Understanding the Calculation
To convert 8 out of 21 into a percentage, divide the correct answers (8) by the total questions (21) and multiply by 100:
(8 ÷ 21) × 100 = 38.10%
With 8 correct answers out of 21, you got 13 wrong. The fraction 8/21 simplifies to 8/21. On the standard grading scale, 38.10% corresponds to a F.