7 out of 21 as a Percentage
7 out of 21 is 33.33%, which is a letter grade of F.
Percentage
33.33%
Letter Grade
F
Wrong Answers
14
Simplified
1/3
Understanding the Calculation
To convert 7 out of 21 into a percentage, divide the correct answers (7) by the total questions (21) and multiply by 100:
(7 ÷ 21) × 100 = 33.33%
With 7 correct answers out of 21, you got 14 wrong. The fraction 7/21 simplifies to 1/3. On the standard grading scale, 33.33% corresponds to a F.