Have a question about a conversion, spotted an error in a formula, or want to request a grading system we don't yet cover? We'd like to hear from you.
Grading systems change from time to time, and individual universities sometimes deviate from national standards. If you believe a formula on this site is out of date or incorrect for your institution, please send us the university name and the correct formula (ideally with a link to the official source) and we'll review it.