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Acar123
Registered User Posts: **69** Junior Member

The topic is self explanatory. If it helps, I have a 91 average.

Post edited by Acar123 on

## Replies to: How do you convert a GPA out of 100 to a GPA out of 4?

3,601Senior Member69Junior Member1,000Member69Junior Member1,000MemberReally, GPA is more important for the rank it gets you. Grades in classes are individually more important.

69Junior Member1,264Senior MemberBut even if your school doesn't rank, you still have a GPA and it will still be considered in the admissions process. The issue is what your school's cutoff is for each grade, since GPA on a 4-point scale is based on letter grades, not percentages.

323Member38Junior Member9,908Senior Member9,908Senior MemberThere is no exact formula for the conversion because letter grades have discrete values but percentages are continuous.

The best approximation I know works like this:

GPA on a 4.0 scale = 4 * [Percentage GPA minus minimum percentage for a D] / [100 minus minimum percentage for a D]

That formula, however, is flawed too because it assigns a 0 average to the minimum percentage of a D which is technically still a 1.0.

1,264Senior MemberA=90-100=4.0

B=80-89=3.0

C=70-79=2.0

D=60-69=1.0

F=0-50=0.0

then the interval between 1.0 and 2.0, 2.0 and 3.0, 3.0 and 4.0, is 10 percentage points, but the interval between 0.0 and 1.0 is 50 percentage points. So you can't just divide. You really do need to calculate from letter grades.

edit: posted at the same time as b@r!um :)721MemberSchools put it on thier own 4-point scale. It does depend entirely on the school. A 91 at my school would be about a 3.4, maybe just lower.

It doesn't really matter what your high school does with its 4.0 scale/ what percentages are in letters if your school reports grades in percentage. The colleges will all re-work it anyway.

2,050Senior MemberAnd I'm assuming that a 91 is an A, and a 89 is a B.

1,498Senior Member