A 65 grade typically corresponds to a D letter grade on a 4.0 GPA scale. In many college grading systems, a D or 65% is considered the lowest passing grade. However, different schools, programs, or classes may have different cutoff points for what they consider a passing grade. For example, some schools consider 60% to be the lowest passing grade, similar to common high school grading scales. Its important to note that grading scales can vary widely depending on the institution and the course.