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16 out of 20 as a Grade: Chart for a 20-Question Test

Quick answer: 16 out of 20 is 80%, a B-. 18 out of 20 is 90%, an A-.

Each question on a 20-question test is worth 5%. You can miss up to 2 and keep an A- (90%).

Standard plus/minus scale. Last reviewed: October 2026.

The scores people look up most, on the plus/minus scale and on a plain 10-point scale (A starts at 90%).

Popular scores on a 20-question test with both grading scales
ScorePercentagePlus/minus scale10-point scaleWrong
16/2080%B-B4
18/2090%A-A2
19/2095%AA1
14/2070%C-C6
13/2065%DD7
12/2060%D-D8

EZ Grader Chart: Every Score on a 20-Question Test

Find the number correct in the first column and read the percentage and letter grade in the same row. Use this easy grader chart for a whole stack of papers with the same number of questions.

Percentage and letter grade for every possible score on a 20-question test
ScoreWrongPercentageLetter
20 out of 200100%A+
19 out of 20195%A
18 out of 20290%A-
17 out of 20385%B
16 out of 20480%B-
15 out of 20575%C
14 out of 20670%C-
13 out of 20765%D
12 out of 20860%D-
11 out of 20955%F
10 out of 201050%F
9 out of 201145%F
8 out of 201240%F
7 out of 201335%F
6 out of 201430%F
5 out of 201525%F
4 out of 201620%F
3 out of 201715%F
2 out of 201810%F
1 out of 20195%F
0 out of 20200%F
Show the half-point chart for 20 questions
Percentage and letter grade for every possible half-point score on a 20-question test
ScoreWrongPercentageLetter
20 out of 200100%A+
19.5 out of 200.597.5%A+
19 out of 20195%A
18.5 out of 201.592.5%A-
18 out of 20290%A-
17.5 out of 202.587.5%B+
17 out of 20385%B
16.5 out of 203.582.5%B-
16 out of 20480%B-
15.5 out of 204.577.5%C+
15 out of 20575%C
14.5 out of 205.572.5%C-
14 out of 20670%C-
13.5 out of 206.567.5%D+
13 out of 20765%D
12.5 out of 207.562.5%D-
12 out of 20860%D-
11.5 out of 208.557.5%F
11 out of 20955%F
10.5 out of 209.552.5%F
10 out of 201050%F
9.5 out of 2010.547.5%F
9 out of 201145%F
8.5 out of 2011.542.5%F
8 out of 201240%F
7.5 out of 2012.537.5%F
7 out of 201335%F
6.5 out of 2013.532.5%F
6 out of 201430%F
5.5 out of 2014.527.5%F
5 out of 201525%F
4.5 out of 2015.522.5%F
4 out of 201620%F
3.5 out of 2016.517.5%F
3 out of 201715%F
2.5 out of 2017.512.5%F
2 out of 201810%F
1.5 out of 2018.57.5%F
1 out of 20195%F
0.5 out of 2019.52.5%F
0 out of 20200%F

How many can you miss on a 20-question test?

The most wrong answers allowed for each grade. Each question is worth 5%.

Number correct needed and most wrong allowed for each letter grade on a 20-question test
GradeMinimum scoreCorrect neededMost wrong allowed
A+97%200
A93%191
A-90%182
B+87%182
B83%173
B-80%164
C+77%164
C73%155
C-70%146
D+67%146
D63%137
D-60%128

Your school may use different cutoffs. See the grading scale chart for the plus/minus, 10-point and 7-point scales.

Frequently asked questions about a 20-question test

What grade is 16 out of 20?

16 out of 20 is 80%, a B- on the standard plus/minus scale. 16/20 means 16 correct and 4 wrong. A school that uses a 10-point scale without plus or minus would call it a B.

What is 18/20 as a grade?

18 out of 20 is 90%, an A-, with 2 wrong, on the standard plus/minus scale.

What is 19/20 as a grade?

19 out of 20 is 95%, an A, with 1 wrong, on the standard plus/minus scale.

What is 14/20 as a grade?

14 out of 20 is 70%, a C-, with 6 wrong, on the standard plus/minus scale.

How many questions can I miss on a 20-question test and still get an A?

You can miss up to 2 and still earn an A- (90%), or up to 1 for an A (93%). For a B (83%) the limit is up to 3, for a C (73%) it is up to 5, and to stay at a passing D- (60%) it is up to 8.

How much is each question worth on a 20-question test?

Each question is worth 5% of the grade, so every wrong answer lowers the score by 5 percentage points.

What score passes on a 20-question test?

At a 60% pass mark you need 12 correct, which is 60%, a D- on the plus/minus scale. One fewer (11 out of 20) is 55%, an F. Some schools set a higher pass mark such as 70%, which needs 14 correct.

Can I give half points on a 20-question test?

Yes. Open the half-point chart on this page, or use the calculator and switch it to half points. For example, 16.5 out of 20 is 82.5%, a B-.

How do I print the 20-question chart?

Press Print / save as PDF above the chart. Only this chart is printed, and you can choose Save as PDF in the print window to get a file instead of paper.

What grading scale does this chart use?

The standard U.S. plus/minus scale: A at 93%, A- at 90%, B+ at 87%, B at 83%, B- at 80%, C+ at 77%, C at 73%, C- at 70%, D+ at 67%, D at 63% and D- at 60%. Schools set their own cutoffs, so if yours differ, read the percentage column and apply your own.

Other test sizes

Different length? The easy grader calculator works for any number of questions, and the chart hub lists every size.