What Grade Is a 90%?
A 90% is an A- on the standard US grading scale, worth 3.7 on the 4.0 GPA scale.
90% in every system
| 10-point scale | A- (90–92%) |
|---|---|
| 7-point scale | B |
| GPA (4.0) | 3.7 |
| Honors / AP GPA | 4.2 / 4.7 |
| Passing? | Yes (60% and up) |
Scores that equal 90%
| Out of | Points for 90% | Can miss |
|---|---|---|
| 20 (quiz) | 18 | 2 |
| 25 (test) | 22.5 | 2 |
| 50 (test) | 45 | 5 |
| 100 (exam) | 90 | 10 |
Check any score in the test grade calculator or the percentage grade calculator. If this is your class grade going into a final, the final grade calculator shows what you need to move up.
Does rounding apply?
Many teachers round to the nearest whole percent, so an 89.5 often becomes a 90. Others truncate. The syllabus or teacher decides; the full table is on the GPA scale chart.
90% grade questions
What letter grade is a 90%?
A 90% is an A- on the standard US 10-point scale, but a B at schools that use a 7-point scale.
What GPA is a 90%?
90% earns 3.7 grade points on the 4.0 scale (4.2 in an Honors class and 4.7 in AP/IB on the common weighted scale).
Is a 90% passing?
Yes. 90% is above the usual 60% passing line.
How many questions can I miss to get a 90%?
On a 20-question quiz you need 18 right; on a 50-question test, 45; on 100 questions, 90.