28 college credits is equivalent to approximately
7 full-time semesters. On average, a full-time student carries between 12 to 16 credits each semester. Considering that a standard college course is worth 3 credits, 28 credits would span approximately seven semesters of coursework.
Note that this estimation assumes a consistent course load and does not take into account factors like summer courses or transfer credits, which could influence the actual timeline for obtaining 28 college credits.