How can I get certified as a group fitness instructor? ADVERTISEMENT 418 viewsApril 21, 2012 0 Sandra April 21, 2012 0 Comments can i do it online or at a conference and how much does it cost? 5 Answers ActiveVotedNewestOldest 0 Martin0 Posted 0 Comments Choose an certifying organization and take their course. That will certify you. But to be an instructor will take practice, experience, and a lifetime of learning/growing. You are viewing 1 out of 5 answers, click here to view all answers. Register or Login