When we talk about credit values and hours per course, what are we basing that information on? How much time does a student actually need to complete a given course? The following workload estimator attempts to provide a rough estimate. You can use this to plan some of your course work to give you an idea of the time involved in different types of study activities. 

The Course Workload Estimator has been taken from the Center for Teaching Excellence at the Rice University. This page explains how they arrived at the calculations for this workload estimator:

Course Workload Estimator by Betsy Barre , Allen Brown, Justin Esarey is licensed under CC BY-NC-SA 4.0