Cumulative GPA can be defined as the average of all the grades that a student has secured in the entire semester or term examinations.
Formula to calculate cumulative GPA.

Example:
Course | Credit Hours | Grade Points |
English | 2 | 4 |
Math | 3 | 3.7 |
Science | 2 | 3.5 |
Chemistry | 2 | 3.5 |

Therefore,your cumulative GPA is 1.63.