The website reports a 145-pound person will burn 461 calories in an hour-long Bikram yoga class; this form of yoga also goes by the name hot yoga.. The same person will burn 574 calories in 60 minutes of Vinyasa yoga.he website reports a 145-pound person will burn 461 calories in an hour-long Bikram yoga class; this form of yoga also goes by the name hot yoga.. The same person will burn 574 calories in 60 minutes of Vinyasa yoga.