Grading chart · 30 questions
30 Question Grading Scale: Out of 30 Grading Chart
29 out of 30 is 96.67%, which is an A on the standard grading scale. Below is every score from 30/30 down to 0/30 with its percentage, letter grade and number wrong.
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Out of 30 grade calculator
29/30 is
- Wrong answers
- 1
- Each question
- 3.33%
- Needed to pass
- 18/30
Popular scores out of 30
Tap a score to jump to its row in the chart.
Out of 30 grading chart
Every possible score on a 30-question test. Each question is worth 3.33%.
| Score | Wrong | Percentage | Grade | Status |
|---|---|---|---|---|
| 30/30 | 0 | 100% | A+ | Passing |
| 29/30 | 1 | 96.67% | A | Passing |
| 28/30 | 2 | 93.33% | A | Passing |
| 27/30 | 3 | 90% | A- | Passing |
| 26/30 | 4 | 86.67% | B | Passing |
| 25/30 | 5 | 83.33% | B | Passing |
| 24/30 | 6 | 80% | B- | Passing |
| 23/30 | 7 | 76.67% | C | Passing |
| 22/30 | 8 | 73.33% | C | Passing |
| 21/30 | 9 | 70% | C- | Passing |
| 20/30 | 10 | 66.67% | D | Passing |
| 19/30 | 11 | 63.33% | D | Passing |
| 18/30 | 12 | 60% | D | Passing |
| 17/30 | 13 | 56.67% | F | Not passing |
| 16/30 | 14 | 53.33% | F | Not passing |
| 15/30 | 15 | 50% | F | Not passing |
| 14/30 | 16 | 46.67% | F | Not passing |
| 13/30 | 17 | 43.33% | F | Not passing |
| 12/30 | 18 | 40% | F | Not passing |
| 11/30 | 19 | 36.67% | F | Not passing |
| 10/30 | 20 | 33.33% | F | Not passing |
| 9/30 | 21 | 30% | F | Not passing |
| 8/30 | 22 | 26.67% | F | Not passing |
| 7/30 | 23 | 23.33% | F | Not passing |
| 6/30 | 24 | 20% | F | Not passing |
| 5/30 | 25 | 16.67% | F | Not passing |
| 4/30 | 26 | 13.33% | F | Not passing |
| 3/30 | 27 | 10% | F | Not passing |
| 2/30 | 28 | 6.67% | F | Not passing |
| 1/30 | 29 | 3.33% | F | Not passing |
| 0/30 | 30 | 0% | F | Not passing |
Grading notes for a 30-question test
Thirty questions is a typical length for unit tests and end-of-chapter tests in most subjects.
One wrong answer gives 96.67% (A) and two wrong answers give 93.33% (A). To pass with 60%, a student needs 18 correct and can miss up to 12.
Because each question moves the score by 3.33%, only 9 of the 11 letter grades on the standard scale can actually be earned on this test: A+, A, A-, B, B-, C, C-, D, F. No whole-number score lands on B+, C+. Half-point scores can fill some of those gaps.
Thirty questions is long enough to cover several standards, so it is worth grouping the questions by skill when you review the test with the class.
What you need for each grade out of 30
The fewest correct answers for each letter grade, and how many questions a student can miss.
-
A+
30 of 30 correct (miss up to 0)
-
A
28 of 30 correct (miss up to 2)
-
A-
27 of 30 correct (miss up to 3)
-
B+
27 of 30 correct (miss up to 3)
-
B
25 of 30 correct (miss up to 5)
-
B-
24 of 30 correct (miss up to 6)
-
C+
24 of 30 correct (miss up to 6)
-
C
22 of 30 correct (miss up to 8)
-
C-
21 of 30 correct (miss up to 9)
-
D
18 of 30 correct (miss up to 12)
Each grade starts at its minimum percentage: A+ 97%, A 93%, A- 90%, B+ 87%, B 83%, B- 80%, C+ 77%, C 73%, C- 70%, D 60%.
How to calculate a grade out of 30
- Divide the score by the total
29 ÷ 30 = 0.9667 - Multiply by 100
0.9667 × 100 = 96.67% - Read the letter grade
96.67% → A
Out of 30 grade FAQ
What is 27 out of 30 as a grade?
27 out of 30 is 90%, an A- on the standard US grading scale. That means 3 wrong answers, and it is a passing score.
What is 26 out of 30 as a grade?
26 out of 30 is 86.67%, a B on the standard US grading scale. That means 4 wrong answers, and it is a passing score.
What is 22 out of 30 as a grade?
22 out of 30 is 73.33%, a C on the standard US grading scale. That means 8 wrong answers, and it is a passing score.
What is 25 out of 30 as a grade?
25 out of 30 is 83.33%, a B on the standard US grading scale. That means 5 wrong answers, and it is a passing score.
How much is each question worth on a 30 question test?
Each question is worth 100 ÷ 30 = 3.33 percentage points, so every wrong answer lowers the grade by 3.33%. If your questions are worth different points, add up the points instead and divide by the total points possible.
How many questions can you miss on a 30 question test and still pass?
With a 60% pass mark you need at least 18 correct out of 30 (60%), so you can miss up to 12 questions and still pass. Some schools use 65% or 70% as the pass mark; you can change it in the test grader settings.
How many do you need for an A or a B out of 30?
An A (93% or higher) needs 28 correct out of 30, so you can miss 2. A B (83% or higher) needs 25 correct, so you can miss 5. On a 10-point scale, where an A starts at 90%, the numbers are a little more forgiving.