- 4.0 GPA is equivalent to 95-100% on percentile scale
- 4.0 GPA is considered as "A" grade
A 4.0 Grade Point Average (GPA) from a possible 4.0 total GPA is equal to a A letter grade. GPAs are determined by a combination of course credits, individual grades and semester hours spent in the class. Some colleges and universities use percentage grades instead, so ask first before reporting. Below is a GPA calculator complete with letter grade conversions for your convenience.