What letter grade is 90%?
90% is an A on the standard grading scale, an A− with plus and minus grades, and a B on the stricter 7-point scale. On a 4.0 scale that is a 4.0 GPA.
- Letter grade
- Astandard A–F
- Plus and minus
- A−3.7 GPA
- 7-point scale
- B3.0 GPA
- GPA
- 4.0on a 4.0 scale
- Passing
- Yesat a 60% pass mark
What 90% means
- 90% means 90 out of every 100 points, or 90 correct answers on a 100-question test.
- It is exactly the lowest score for an A on the standard scale.
- It is the highest possible score. With plus and minus grades, 93% is an A, 3 points away.
- Yes. It is an A, the top grade on the standard US scale.
90% on three grading scales
| Scale | Cutoffs | Letter | GPA |
|---|---|---|---|
| Standard A–F | A 90, B 80, C 70, D 60 | A | 4.0 |
| Plus and minus | A 93, A− 90, B+ 87, B 83, B− 80 … | A− | 3.7 |
| 7-point | A 93, B 85, C 77, D 70 | B | 3.0 |
Which scale applies depends on your school or teacher; the syllabus usually says. The grading scales guide has every range.
90% on common test lengths
The score that gives exactly 90%, or the two closest scores when no whole number of correct answers does.
| Questions | Score | Percentage |
|---|---|---|
| 10 | 9 out of 10 | 90% exactly |
| 20 | 18 out of 20 | 90% exactly |
| 25 | 22 out of 25 or 23 out of 25 | 88% or 92% |
| 30 | 27 out of 30 | 90% exactly |
| 40 | 36 out of 40 | 90% exactly |
| 50 | 45 out of 50 | 90% exactly |
| 100 | 90 out of 100 | 90% exactly |
Grade a whole test with a chart for 10, 20, 25 or 50 questions.
Rounding up to 90%
An exact score such as 89.6% displays as 90% when rounded, but most gradebooks assign the letter from the exact percentage, so it stays a B. Some schools round first; check your syllabus.
Questions about 90%
Is 90% an A or an A−?
90% is an A on the standard scale and an A− with plus and minus grades, which runs from 90% to 92%.
Is 90% a good grade?
Yes. It is an A, the top grade on the standard US scale. On a stricter 7-point scale it would be a B.
What GPA is 90%?
4.0 on a 4.0 scale as an A, or 3.7 if your school uses plus and minus grades (A−). Your school’s own grade points decide your GPA.
Is 90% passing?
Yes, at schools that pass 60% and above.