8 out of 14 as a percentage is 57.14% (F)

An 8/14 is 57.14%, which is an F on the standard grading scale. That is a 0.0 GPA, and you got 6 wrong.

Next grade1 more → D9 out of 14 is 64.29%

With a 5-point curve62.14% → Dif your teacher adds 5 points

To pass (60%)1 more needed9 out of 14 is the passing line

What an 8/14 grade means

8 correct and 6 wrong on a 14-question test.
Each question is worth 7.14%, so every wrong answer costs 7.14 percentage points.
Any score from 0 to 8 out of 14 is an F.
1 more correct (9 out of 14, 64.29%) would make it a D.
It is below a 60% passing score, which needs 9 out of 14: 1 more correct.

Divide the score by the total: 8 ÷ 14 = 0.5714.
Multiply by 100: 0.5714 × 100 = 57.14%.
Find 57.14% 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 57%, 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 14, with 8 highlighted. Pick any score to see its page.

Correct	Wrong	Percentage	Grade
14	0	100%	A
13	1	92.9%	A
12	2	85.7%	B
11	3	78.6%	C
10	4	71.4%	C
9	5	64.3%	D
8	6	57.1%	F
7	7	50%	F
6	8	42.9%	F
5	9	35.7%	F
4	10	28.6%	F
3	11	21.4%	F
2	12	14.3%	F
1	13	7.1%	F
0	14	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, 8.5 out of 14 is 60.71%: a D on the standard scale and a D− with plus and minus grades.

5 at most with a 60% passing score: you need 9 out of 14. With a 70% passing score you need 10 out of 14.