Undergraduate Study in USA - Grading
The Credit System
Students at American universities complete their degrees when they have accumulated a certain number of "credits." It usually takes somewhere between 130 and 180 credits to graduate. Sometimes the terms "semester/quarter hours" or "units" are used instead of credits. Each individual course you take each semester earns a specified number (usually three or four) of credits/hours/units. Your academic adviser will help you plan your course schedule for the academic year.
Degree Courses
The individual courses that make up the degree program can be divided into the following types: