A weighted grade point average adds points for course difficulty, typically for honours, Advanced Placement and International Baccalaureate courses, so that a demanding transcript is not penalised against an easy one. The addition is a school district policy rather than a national standard, which is why weighted numbers cannot be compared between schools at all.
How to calculate weighted GPA the way a weighted GPA calculator does
The commonest scheme adds a fixed amount to the grade points of a qualifying course before averaging: half a point for an honours course, a full point for Advanced Placement or International Baccalaureate. An A in an AP course therefore contributes five grade points rather than four, and a weighted average can exceed 4.0. Which courses qualify and by how much is set by the school or district and published in its own handbook.
Why weighted numbers do not compare
Two schools can weight the same course differently, cap the weighted average at different points, or weight nothing at all. A 4.4 from a school that adds a full point to eight courses is not the same achievement as a 4.4 from a school that adds half a point to twenty. That is why admissions offices frequently recalculate an unweighted average from the transcript rather than reading the weighted figure a school reports.
Weighted is not the same as an A+ above four
A college scale that records an A+ above four, as Arizona State does at 4.33, exceeds the nominal top for a different reason: the grade itself is priced higher, in any course. Weighting prices the course, not the grade. The two mechanisms are routinely confused, and comparing a weighted high-school figure with a college cumulative average is comparing two different measurements.
Questions people ask about weighted GPA
How is weighted GPA calculated?
By adding a fixed number of grade points to qualifying courses before averaging, typically half a point for honours and a full point for AP or IB. The qualifying list and the amounts are set by the school or district.
What is a good weighted GPA?
Good against what the school weights, which is why the number alone says little. A weighted average above 4.0 means the transcript carried weighted courses; how many, and at what weight, is what an admissions office actually reads.
Is a weighted GPA the same as a GPA above 4.0 at university?
No. Weighting adds points for course difficulty. A university scale recording an A+ at 4.33, as Arizona State does, prices the grade higher in any course and usually caps the cumulative average at 4.00 anyway.
Can you convert gpa to 5.0 scale?
There is nothing to convert, because the 5.0 top is not a different scale you move a number into. It is the ordinary 4.0 scale with a weighting rule applied before averaging: the commonest scheme adds half a point for an honours course and a full point for Advanced Placement or International Baccalaureate, so an A in an AP course contributes five grade points rather than four and the average can exceed 4.0. Which courses qualify and by how much is set by the school or district, so the only correct answer is the one your own school's published rule produces, and a figure from another school's rule is not comparable with it.