The purpose of this research is to develop interactive multimedia-based teaching materials so that they are independent lectures. The model used is the Borg and Gall model. However in this article, only the results from stage one to stage five are presented. This research was conducted from March to June 2022. The tools used in this study were questionnaires and interviews. The data analysis technique uses the percentage formula. The assessment of the first material expert gave a score on the interactive multimedia-based volleyball referee teaching material with a percentage of 92.5% in the very good category, the second material expert 87.5% in the very good category. And media experts gave a score of 87.5% in the very good category. Based on this percentage, it can be stated that from the conceptual aspect of volleyball refereeing teaching materials based on interactive multimedia, it is feasible to proceed to the empirical test.