12 out of 30 as a percentage is 40% (F)

A 12/30 is 40%, which is an F on the standard grading scale. That is a 0.0 GPA, and you got 18 wrong.

Percentage: 40%
Letter grade: Fstandard A–F
Plus and minus: F0.0 GPA
7-point scale: F0.0 GPA
GPA: 0.0on a 4.0 scale

Next grade6 more → D18 out of 30 is 60%

With a 5-point curve45% → Fif your teacher adds 5 points

To pass (60%)6 more needed18 out of 30 is the passing line

Open in the grade calculator Printable 30-question chart (PDF)

What a 12/30 grade means

12 correct and 18 wrong on a 30-question test.
Each question is worth 3.33%, so every wrong answer costs 3.33 percentage points.
Any score from 0 to 17 out of 30 is an F.
6 more correct (18 out of 30, 60%) would make it a D.
It is below a 60% passing score, which needs 18 out of 30: 6 more correct.

How to work it out

Divide the score by the total: 12 ÷ 30 = 0.4.
Multiply by 100: 0.4 × 100 = 40%.
Find 40% on the grading scale: A is 90% and up, B 80%, C 70% and D 60%, so it is an F.

12/30 on three grading scales

Scale	Cutoffs	Letter
Standard A–F	A 90, B 80, C 70, D 60	F
Plus and minus	A 93, A− 90, B+ 87, B 83, B− 80 …	F
7-point	A 93, B 85, C 77, D 70	F

Which scale applies depends on your school or teacher; the syllabus usually says. The grading scales guide compares them.

Grade chart for a 30-question test

Every possible score out of 30, with 12 highlighted. Pick any score to see its page. The 30-question grade chart adds plus/minus grades, GPA and questions about this test length.

Correct	Wrong	Percentage	Grade
30	0	100%	A
29	1	96.7%	A
28	2	93.3%	A
27	3	90%	A
26	4	86.7%	B
25	5	83.3%	B
24	6	80%	B
23	7	76.7%	C
22	8	73.3%	C
21	9	70%	C
20	10	66.7%	D
19	11	63.3%	D
18	12	60%	D
17	13	56.7%	F
16	14	53.3%	F
15	15	50%	F
14	16	46.7%	F
13	17	43.3%	F
12	18	40%	F
11	19	36.7%	F
10	20	33.3%	F
9	21	30%	F
8	22	26.7%	F
7	23	23.3%	F
6	24	20%	F
5	25	16.7%	F
4	26	13.3%	F
3	27	10%	F
2	28	6.7%	F
1	29	3.3%	F
0	30	0%	F

The same 40% on other tests

Questions about 12 out of 30

Is 12 out of 30 a good grade?

No. Below 60% is an F, a failing grade on the standard US scale.

What GPA is 12 out of 30?

0.0 on a 4.0 scale, as an F.

What about 12.5 out of 30?

With a half point, 12.5 out of 30 is 41.67%: an F on the standard scale and an F with plus and minus grades.

How many can you get wrong on a 30-question test and still pass?

12 at most with a 60% passing score: you need 18 out of 30. With a 70% passing score you need 21 out of 30.