TEST SCORE CHART

30-question test score chart: number wrong to percentage

Every score for a 30-question test where each question counts the same: number wrong, number right, percentage and letter grade on the standard scale. Printable.

On a 30-question test, 5 wrong is83.33%— a B on the standard scale.
30-question test: number wrong → percentage (letter on the 10-point scale)
WrongRightScoreLetter
030100.00%A
12996.67%A
22893.33%A
32790.00%A
42686.67%B
52583.33%B
62480.00%B
72376.67%C
82273.33%C
92170.00%C
102066.67%D
111963.33%D
121860.00%D
131756.67%F
141653.33%F
151550.00%F
161446.67%F
171343.33%F
181240.00%F
191136.67%F
201033.33%F
21930.00%F
22826.67%F
23723.33%F
24620.00%F
25516.67%F
26413.33%F
27310.00%F
2826.67%F
2913.33%F
3000.00%F

Open the easy grader for any size

How to use it

Count the questions marked wrong and read across. The letter column uses the common 10-point scale (90 A, 80 B, 70 C, 60 D); if your school uses a different scale, read the percentage and apply your own boundaries.

A FEW THINGS YOU MIGHT BE WONDERING

Questions about this chart

What is 25 out of 30 as a percentage?
83.33%, which is a B on the standard scale.
How many can I miss on a 30-question test to get an A?
3 wrong keeps you at 90%, which is still an A at a 90% boundary. 4 wrong drops to 86.67%.
What if the questions are worth different points?
Use the points grade calculator and enter earned and possible points for each question or section.