What grade is 10 out of 21?

The percentage, letter grade, and 4.0 GPA for a 10/21 test score — plus every other score on a 21-question test.

10 out of 21 as a percentage and letter grade

10 out of 21 is

47.62%

LetterF GPA (4.0)0.0 Wrong11

F on the standard 10-point scale · 0.0 GPA

Letter grade shown on the standard 10-point scale (A 90–100, B 80–89, C 70–79, D 60–69, F below 60). Cutoffs differ between schools and teachers — always follow your school's official grading policy. Need the plus/minus or 7-point scale instead? Use the grade converter.

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10 out of 21 means 11 wrong answers

Scoring 10 out of 21 is the same as getting 11 wrong out of 21. Both describe one result: 10 correct answers on a 21-question test. Whether your teacher counts up from correct answers or down from wrong ones, the percentage is identical.

How the 10 out of 21 percentage is calculated

The percentage comes from one division: 10 ÷ 21 × 100 = 47.62%. Every question on a 21-question test is worth 4.76% of the total score.

Why 47.62% is an F on the standard scale

The standard 10-point scale puts an F below 60%, so a 47.62% test earns an F. That converts to a 0.0 on the 4.0 GPA scale.

How many can you miss on a 21-question test?

Every letter grade on a 21-question test has a maximum number of wrong answers.

Letter grade cutoffs for a 21-question test

A — at least 19 correct (miss no more than 2 questions)
B — at least 17 correct (miss no more than 4 questions)
C — at least 15 correct (miss no more than 6 questions)
D — at least 13 correct (miss no more than 8 questions)

Anything at or below 12 correct falls under 60% and is an F on this scale. Your own class may round differently or use a curve, so treat these cutoffs as the common default rather than a rule.

Every score on a 21-question test

All 22 possible scores for a 21-question test on the standard 10-point scale.

Wrong	Correct	Percentage	Letter Grade
0	21	100%	A
1	20	95.24%	A
2	19	90.48%	A
3	18	85.71%	B
4	17	80.95%	B
5	16	76.19%	C
6	15	71.43%	C
7	14	66.67%	D
8	13	61.9%	D
9	12	57.14%	F
10	11	52.38%	F
11	10	47.62%	F Current
12	9	42.86%	F
13	8	38.1%	F
14	7	33.33%	F
15	6	28.57%	F
16	5	23.81%	F
17	4	19.05%	F
18	3	14.29%	F
19	2	9.52%	F
20	1	4.76%	F
21	0	0%	F

Taking a test of a different length? The complete list of score conversions covers 48 scores across 11 test lengths.

How does 10 out of 21 affect your class grade?

One test rarely decides a class grade on its own. Most teachers group work into categories such as tests, quizzes, homework, and projects, and give each category a share of the course grade. Your 47.62% on this test is one score inside the tests category, so its real effect depends on how much that category counts and how you are doing in the others.

To see where 47.62% leaves you overall, calculate your weighted grades with each category's average and the weights from your syllabus. If your school reports results as a GPA, the 4.0 scale GPA calculator turns the letter grades you finish your classes with into grade points.

Grade a different test

The calculator starts on 10 out of 21. Change any field to check another test.

Total questions — enter a whole number from 1 to 500

Answer count to enter

Wrong Correct

Wrong answers — how many questions were missed

Grading scale — choose the scale your class uses

Your test grade

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Correct— Wrong— Letter—

Enter your test details to see the result.

10 out of 21 — frequently asked questions

What grade is 10 out of 21?

10 out of 21 is 47.62%. On the standard 10-point grading scale that is F, which is a 0.0 on the 4.0 GPA scale. Schools that use a plus/minus or 7-point scale may assign a different letter for the same percentage.

Is 10 out of 21 a good score?

10 out of 21 is 47.62%. That is an F on the standard 10-point scale — below the 60% pass mark, and a 0.0 on the GPA scale. Ask your teacher whether a retake, corrections, or extra credit is possible.

How many questions can I miss on a 21-question test and still get an A?

You can miss at most 2 questions — that means answering at least 19 out of 21 correctly, which works out to 90% or higher.

What is the lowest passing score on a 21-question test?

On the standard 10-point scale, 60% is the usual pass mark, so you need at least 13 out of 21 correct — no more than 8 wrong. Some schools set the pass mark at 65% or higher, so check your own grading policy.

More grade tools

Test Grade CalculatorGrade any test with any number of questions. All Score ConversionsBrowse every score we have a page for. Grade ConverterConvert a percentage, letter grade, and GPA. Final Grade CalculatorFind the score needed on your final exam. Weighted Grade CalculatorCombine test, quiz, and homework scores by weight. GPA CalculatorCalculate GPA from course grades and credits.