<p>Colleges generally know the differences in grading systems from foreign applicants and it is not really an issue of conversion. What you are showing is basically what they will follow for what an A+, A, B, etc. is for an applicant from where you attend school. If you want to roughly convert just for your edification to a US 4 point system unweighted GPA assume the A+ = 4.3, A = 4, B = 3, etc. and calculate</p>