18 questions test grading scale (percentage, letter grade, & GPA)

18 questions test grading scale (percentage, letter grade, and GPA). Based on American, Australian, British, Canadian, Chinese, Indian, & Russian systems.

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Formula

Calculation

18 questions test grading scale for the American grading system

Grade	GPA	Correct	Incorrect	Percent
A+	4.33	18	0	100.00
A	4	17	1	94.44
B+	3.33	16	2	88.89
B	3	15	3	83.33
C+	2.33	14	4	77.78
C-	1.67	13	5	72.22
D	1	12	6	66.67
D-	0.67	11	7	61.11
F	0	0 to 10	8 to 18	0.00 to 55.56

18 questions test grading scale for the Australian grading system

Grade	GPA	Correct	Incorrect	Percent
HD	7	16 to 18	0 to 2	88.89 to 100.00
D	6	14 to 15	3 to 4	77.78 to 83.33
C	5	12 to 13	5 to 6	66.67 to 72.22
P	4	9 to 11	7 to 9	50.00 to 61.11
F	0	0 to 8	10 to 18	0.00 to 44.44

18 questions test grading scale for the British grading system

Grade	GPA	Correct	Incorrect	Percent
A	4	13 to 18	0 to 5	72.22 to 100.00
A-	3.7	12	6	66.67
B+	3.3	11	7	61.11
B	3	10	8	55.56
B-	2.7	9	9	50.00
C	2	8	10	44.44
F	0	0 to 7	11 to 18	0.00 to 38.89

18 questions test grading scale for the Canadian grading system

Grade	GPA	Correct	Incorrect	Percent
A+	4.3	17 to 18	0 to 1	94.44 to 100.00
A	4	16	2	88.89
A-	3.7	15	3	83.33
B+	3.3	14	4	77.78
B-	2.7	13	5	72.22
C	2	12	6	66.67
C-	1.7	11	7	61.11
D+	1.3	10	8	55.56
D	1	9	9	50.00
F	0	0 to 8	10 to 18	0.00 to 44.44

18 questions test grading scale for the Chinese grading system

Grade	GPA	Correct	Incorrect	Percent
A	4	17 to 18	0 to 1	94.44 to 100.00
A-	3.7	16	2	88.89
B+	3.3	15	3	83.33
B	3	14	4	77.78
B-	2.7	13	5	72.22
C+	2.3	12	6	66.67
C	2	11	7	61.11
F	0	0 to 10	8 to 18	0.00 to 55.56

18 questions test grading scale for the Indian grading system

Grade	GPA	Correct	Incorrect	Percent
O	10	17 to 18	0 to 1	94.44 to 100.00
A+	9	15 to 16	2 to 3	83.33 to 88.89
A	8	13 to 14	4 to 5	72.22 to 77.78
B+	7	11 to 12	6 to 7	61.11 to 66.67
B	6	10	8	55.56
C	5	9	9	50.00
F	0	0 to 8	10 to 18	0.00 to 44.44

18 questions test grading scale for the Russian grading system

Grade	GPA	Correct	Incorrect	Percent
A	5	16 to 18	0 to 2	88.89 to 100.00
B	4	13 to 15	3 to 5	72.22 to 83.33
C	3	9 to 12	6 to 9	50.00 to 66.67
F	2	0 to 8	10 to 18	0.00 to 44.44

Frequently Asked Questions (FAQs)

How do I calculate the percentage for a 18-question test?

To calculate the percentage, divide the number of correct answers by the total questions (18), then multiply by 100.Percentage = (Correct Answers / 18) * 100 For example, if you answered 14 questions correctly:Percentage = (14/ 18) * 100 = 77.78%

What is the letter grade for a 18-question test?

The letter grade depends on the grading scale being used. For example, in the American Grading System : 100.00% = A+94.44% = A88.89% = B+83.33% = B77.78% = C+72.22% = C-66.67% = D61.11% = D-0.00 - 55.56% = FIf you score 14/18 (77.78)%, your grade is C+.

How many correct answers do I need to pass a 18-question test?

The passing grade depends on the grading system used. For most tests, the passing grade is 60%. In a 18-question test, this means you need at least:Correct Answers = 18 * 0.6 = 10.799999999999999You need at least 11 correct answers to pass.

Can I customize the grading scale for a 18-question test?

Yes, you can customize the grading scale based on your institution or personal preference. For example: You could set 17-18 correct answers as an A+, 15-16 correct answers as an A, and so on.

Is a 18-question test grading scale different from other tests?

No, the process is the same. The main difference is the total number of questions:For a test like 18 questions, each question typically contributes 5.56% to the final grade. Percentage per question = (100 / 18) = 5.56%This differs from other tests, where each question contributes a different weight to the percentage score.

18 Question Test: Percentage, Letter Grade, and GPA Calculator

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