19 out of 24 as a percentage is 79.17% (C)

A 19/24 is 79.17%, which is a C on the standard grading scale (a C+ with plus and minus grades). That is a 2.0 GPA, and you got 5 wrong.

Next grade1 more → B20 out of 24 is 83.33%

With a 5-point curve84.17% → Bif your teacher adds 5 points

To pass (60%)Passed15 out of 24 is the passing line

What a 19/24 grade means

19 correct and 5 wrong on a 24-question test.
Each question is worth 4.17%, so every wrong answer costs 4.17 percentage points.
Any score from 17 to 19 out of 24 is a C.
1 more correct (20 out of 24, 83.33%) would make it a B.
It passes a 60% passing score, which needs 15 out of 24.

Divide the score by the total: 19 ÷ 24 = 0.7917.
Multiply by 100: 0.7917 × 100 = 79.17%.
Find 79.17% on the grading scale: A is 90% and up, B 80%, C 70% and D 60%, so it is a C.

Rounded to a whole number this is 79%, and the letter grade stays the same.

Scale	Cutoffs	Letter	GPA
Standard A–F	A 90, B 80, C 70, D 60	C	2.0
Plus and minus	A 93, A− 90, B+ 87, B 83, B− 80 …	C+	2.3
7-point	A 93, B 85, C 77, D 70	C	2.0

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

Every possible score out of 24, with 19 highlighted. Pick any score to see its page.

Correct	Wrong	Percentage	Grade
24	0	100%	A
23	1	95.8%	A
22	2	91.7%	A
21	3	87.5%	B
20	4	83.3%	B
19	5	79.2%	C
18	6	75%	C
17	7	70.8%	C
16	8	66.7%	D
15	9	62.5%	D
14	10	58.3%	F
13	11	54.2%	F
12	12	50%	F
11	13	45.8%	F
10	14	41.7%	F
9	15	37.5%	F
8	16	33.3%	F
7	17	29.2%	F
6	18	25%	F
5	19	20.8%	F
4	20	16.7%	F
3	21	12.5%	F
2	22	8.3%	F
1	23	4.2%	F
0	24	0%	F

It is a C, an average grade and a pass at most US schools.

2.0 on a 4.0 scale as a C, or 2.3 if your school uses plus and minus grades (C+).

With a half point, 19.5 out of 24 is 81.25%: a B on the standard scale and a B− with plus and minus grades.

9 at most with a 60% passing score: you need 15 out of 24. With a 70% passing score you need 17 out of 24.