If enrolling in the regular two semester academic year (not including summer or interim sessions), it would take approximately one and a half years, depending on the credit load carried each...
For colleges and universities that operate on a regular two semester academic year, a semester generally runs anywhere from 14 to 16 weeks depending on the institution. Thus, the Fall semester...
For institutions that operate on a regular semester academic year, without taking summer semesters, it would be two and a half years. Each academic year has two semesters.