This could be very helpful when choosing your classes if it’s calories you’re counting. Personally, I think the FUN-factor is just as important. I’d much rather go ice skating or pretend to surf in a SurfSET class (see latest post: https://classhoppernyc.com/2016/01/11/surfs-up-surfset-and-ive-got-a-secret/) than jump rope for an hour– is that even possible? But I found this blog post interesting and helpful and though you might too.