Calculate your grade from points earned and total points instantly. 17 out of 20 = 85% (B). See the plus/minus grading scale and points needed for your next grade.
Common test scores, including 4 wrong out of 20 and 47 out of 50.
4 wrong out of 20 means 16 correct, which is 80%. Each question is worth 5%, so the calculation is (16 ÷ 20) × 100 = 80%. This assumes every question has equal value; the letter grade is B- for 80% on this site’s scale.
47 out of 50 is 94%, which is an A on this site’s scale. It means 3 answers were wrong: (47 ÷ 50) × 100 = 94%.
You can miss 10 questions and get exactly 80% with 40 correct. To score above 80%, miss 9 or fewer. Each question is worth 2%. This assumes every question has equal value; the letter grade is B- for 80% on this site’s scale.