17 out of 22 as a percentage is 77.27% (C)

A 17/22 is 77.27%, 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 → B18 out of 22 is 81.82%

With a 5-point curve82.27% → Bif your teacher adds 5 points

To pass (60%)Passed14 out of 22 is the passing line

What a 17/22 grade means

17 correct and 5 wrong on a 22-question test.
Each question is worth 4.55%, so every wrong answer costs 4.55 percentage points.
Any score from 16 to 17 out of 22 is a C.
1 more correct (18 out of 22, 81.82%) would make it a B.
It passes a 60% passing score, which needs 14 out of 22.

Divide the score by the total: 17 ÷ 22 = 0.7727.
Multiply by 100: 0.7727 × 100 = 77.27%.
Find 77.27% 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 77%, 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 22, with 17 highlighted. Pick any score to see its page.

Correct	Wrong	Percentage	Grade
22	0	100%	A
21	1	95.5%	A
20	2	90.9%	A
19	3	86.4%	B
18	4	81.8%	B
17	5	77.3%	C
16	6	72.7%	C
15	7	68.2%	D
14	8	63.6%	D
13	9	59.1%	F
12	10	54.5%	F
11	11	50%	F
10	12	45.5%	F
9	13	40.9%	F
8	14	36.4%	F
7	15	31.8%	F
6	16	27.3%	F
5	17	22.7%	F
4	18	18.2%	F
3	19	13.6%	F
2	20	9.1%	F
1	21	4.5%	F
0	22	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, 17.5 out of 22 is 79.55%: a C on the standard scale and a C+ with plus and minus grades.

8 at most with a 60% passing score: you need 14 out of 22. With a 70% passing score you need 16 out of 22.