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

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

See Calculations

Formula

Calculation

21 questions test grading scale for the American grading system

Grade	GPA	Correct	Incorrect	Percent
A+	4.33	21	0	100.00
A	4	20	1	95.24
A-	3.67	19	2	90.48
B	3	18	3	85.71
B-	2.67	17	4	80.95
C	2	16	5	76.19
C-	1.67	15	6	71.43
D	1	14	7	66.67
D-	0.67	13	8	61.90
F	0	0 to 12	9 to 21	0.00 to 57.14

21 questions test grading scale for the Australian grading system

Grade	GPA	Correct	Incorrect	Percent
HD	7	18 to 21	0 to 3	85.71 to 100.00
D	6	16 to 17	4 to 5	76.19 to 80.95
C	5	14 to 15	6 to 7	66.67 to 71.43
P	4	11 to 13	8 to 10	52.38 to 61.90
F	0	0 to 10	11 to 21	0.00 to 47.62

21 questions test grading scale for the British grading system

Grade	GPA	Correct	Incorrect	Percent
A	4	15 to 21	0 to 6	71.43 to 100.00
A-	3.7	14	7	66.67
B+	3.3	13	8	61.90
B	3	12	9	57.14
B-	2.7	11	10	52.38
C+	2.3	10	11	47.62
C	2	9	12	42.86
F	0	0 to 8	13 to 21	0.00 to 38.10

21 questions test grading scale for the Canadian grading system

Grade	GPA	Correct	Incorrect	Percent
A+	4.3	19 to 21	0 to 2	90.48 to 100.00
A	4	18	3	85.71
A-	3.7	17	4	80.95
B	3	16	5	76.19
B-	2.7	15	6	71.43
C	2	14	7	66.67
C-	1.7	13	8	61.90
D+	1.3	12	9	57.14
D	1	11	10	52.38
F	0	0 to 10	11 to 21	0.00 to 47.62

21 questions test grading scale for the Chinese grading system

Grade	GPA	Correct	Incorrect	Percent
A	4	19 to 21	0 to 2	90.48 to 100.00
A-	3.7	18	3	85.71
B+	3.3	17	4	80.95
B	3	16	5	76.19
B-	2.7	15	6	71.43
C+	2.3	14	7	66.67
C	2	13	8	61.90
F	0	0 to 12	9 to 21	0.00 to 57.14

21 questions test grading scale for the Indian grading system

Grade	GPA	Correct	Incorrect	Percent
O	10	19 to 21	0 to 2	90.48 to 100.00
A+	9	17 to 18	3 to 4	80.95 to 85.71
A	8	15 to 16	5 to 6	71.43 to 76.19
B+	7	13 to 14	7 to 8	61.90 to 66.67
B	6	12	9	57.14
C	5	11	10	52.38
P	4	10	11	47.62
F	0	0 to 9	12 to 21	0.00 to 42.86

21 questions test grading scale for the Russian grading system

Grade	GPA	Correct	Incorrect	Percent
A	5	18 to 21	0 to 3	85.71 to 100.00
B	4	15 to 17	4 to 6	71.43 to 80.95
C	3	11 to 14	7 to 10	52.38 to 66.67
F	2	0 to 10	11 to 21	0.00 to 47.62

Frequently Asked Questions (FAQs)

How do I calculate the percentage for a 21-question test?

To calculate the percentage, divide the number of correct answers by the total questions (21), then multiply by 100.Percentage = (Correct Answers / 21) * 100 For example, if you answered 17 questions correctly:Percentage = (17/ 21) * 100 = 80.95%

What is the letter grade for a 21-question test?

The letter grade depends on the grading scale being used. For example, in the American Grading System : 100.00% = A+95.24% = A90.48% = A-85.71% = B80.95% = B-76.19% = C71.43% = C-66.67% = D61.90% = D-0.00 - 57.14% = FIf you score 17/21 (80.95)%, your grade is B-.

How many correct answers do I need to pass a 21-question test?

The passing grade depends on the grading system used. For most tests, the passing grade is 60%. In a 21-question test, this means you need at least:Correct Answers = 21 * 0.6 = 12.6You need at least 13 correct answers to pass.

Can I customize the grading scale for a 21-question test?

Yes, you can customize the grading scale based on your institution or personal preference. For example: You could set 19-21 correct answers as an A+, 17-18 correct answers as an A, and so on.

Is a 21-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 21 questions, each question typically contributes 4.76% to the final grade. Percentage per question = (100 / 21) = 4.76%This differs from other tests, where each question contributes a different weight to the percentage score.