18 out of 20 as a Percentage
18 out of 20 is 90.00%, which is a letter grade of A-.
Percentage
90.00%
Letter Grade
A-
Wrong Answers
2
Simplified
9/10
Understanding the Calculation
To convert 18 out of 20 into a percentage, divide the correct answers (18) by the total questions (20) and multiply by 100:
(18 ÷ 20) × 100 = 90.00%
With 18 correct answers out of 20, you got 2 wrong. The fraction 18/20 simplifies to 9/10. On the standard grading scale, 90.00% corresponds to a A-.