5 out of 9 as a percentage is 55.56% (F)

A 5/9 is 55.56%, which is an F on the standard grading scale. That is a 0.0 GPA, and you got 4 wrong.

Next grade1 more → D6 out of 9 is 66.67%

With a 5-point curve60.56% → Dif your teacher adds 5 points

To pass (60%)1 more needed6 out of 9 is the passing line

What a 5/9 grade means

5 correct and 4 wrong on a 9-question test.
Each question is worth 11.11%, so every wrong answer costs 11.11 percentage points.
Any score from 0 to 5 out of 9 is an F.
1 more correct (6 out of 9, 66.67%) would make it a D.
It is below a 60% passing score, which needs 6 out of 9: 1 more correct.

Divide the score by the total: 5 ÷ 9 = 0.5556.
Multiply by 100: 0.5556 × 100 = 55.56%.
Find 55.56% on the grading scale: A is 90% and up, B 80%, C 70% and D 60%, so it is an F.

Rounded to a whole number this is 56%, and the letter grade stays the same.

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.

Every possible score out of 9, with 5 highlighted. Pick any score to see its page.

Correct	Wrong	Percentage	Grade
9	0	100%	A
8	1	88.9%	B
7	2	77.8%	C
6	3	66.7%	D
5	4	55.6%	F
4	5	44.4%	F
3	6	33.3%	F
2	7	22.2%	F
1	8	11.1%	F
0	9	0%	F

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

0.0 on a 4.0 scale, as an F.

With a half point, 5.5 out of 9 is 61.11%: a D on the standard scale and a D− with plus and minus grades.

3 at most with a 60% passing score: you need 6 out of 9. With a 70% passing score you need 7 out of 9.