Resume: The general rule of thumb is to list your GPA if it's at least 3.0 or higher, but there are two important rules to know here: (1) You may choose to list your in-major GPA if it's higher than your overall GPA, but you need to specify that it's your in-major GPA. (2) If your school uses a different scale (such as a 10-point scale), you may want to convert your GPA to a 4.0-scale which will be more widely understood.