How to calculate 30 out of 30
30 ÷ 30 × 100 = 100%
Divide the number right by the total and multiply by 100. Teachers usually round to the nearest whole percent, so30/30 is recorded as 100% — an A on the standard 90/80/70/60 scale and an A on a plus/minus scale. Each question is worth 3.33%, so 0 wrongcost 0 points.
Nearby scores out of 30
- 28/30 is 93.33% (A)
- 29/30 is 96.67% (A)
30 out of nearby totals
- 30 out of 31 is 96.77% (A)
- 30 out of 32 is 93.75% (A)
Grade a whole test of 30
See the full grading chart for 30 questions for every score out of 30, or open the Easy Grader with 30 questions to mark each paper, add half points and use your own scale.