What Are the Different GPA Scales?


Grade Point Average (GPA) is most frequently reported on a 4.0 scale, especially at colleges. This is the number that colleges look at for admission requirements. It may be a bit confusing to understand how your GPA compares if your school does not use the 4.0 scale and uses one of the other popular scales.

Number Scale

  • The 4.0 number scale is the most universal. Colleges use it and many high schools do as well. The scale ranges from 0 to 4.0.


  • Other schools use a percent scale from 0 to 100 percent. When you consider applying for college and need to list your GPA or analyze whether your grades are good enough to apply to a specific school, you will need to convert your percent to an appropriate number on the 4.0 scale.


  • Another form of grading many high schools adopt is a letter based system, with grades from A to F. Each letter represents both a percentage and a number on the 4.0 scale. You will need to convert your letter to a 4.0 scaled number for college purposes.


  • The conversion scale used by the CollegeBoard is as follows

    A+ or 97 to 100 = 4.0

    A or 93 to 96 = 4.0

    A- or 90 to 92 = 3.7

    B+ or 87 to 89 = 3.3

    B or 83 to 86 = 3.0

    B- or 80 to 82 = 2.7

    C+ 77 to 79 = 2.3

    C or 73 to 76 = 2.0

    C- or 70 to 72 = 1.7

    D+ or 67 to 69 = 1.3

    D or 65 to 66 = 1.0

    F or below 65 = 0


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