How to calculate 17 out of 20
17 ÷ 20 × 100 = 85%
Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so17/20 is recorded as 85% — a B on the standard 90/80/70/60 scale and a B on a plus/minus scale. Each question is worth 5%, so 3 wrongcost 15 points.
Nearby scores out of 20
17 out of nearby totals
- 17 out of 18 is 94.44% (A)
- 17 out of 19 is 89.47% (B+)
- 17 out of 21 is 80.95% (B−)
- 17 out of 22 is 77.27% (C+)
Grade a whole test of 20
See the full grading chart for 20 questions for every score out of 20, or open the Easy Grader with 20 questions to mark each paper, add half points and use your own scale.