How to calculate 3 out of 20
3 ÷ 20 × 100 = 15%
Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so3/20 is recorded as 15% — an F on the standard 90/80/70/60 scale and an F on a plus/minus scale. Each question is worth 5%, so 17 wrongcost 85 points.
Nearby scores out of 20
3 out of nearby totals
- 3 out of 18 is 16.67% (F)
- 3 out of 19 is 15.79% (F)
- 3 out of 21 is 14.29% (F)
- 3 out of 22 is 13.64% (F)
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.