Calorie Burn? Which Number Do I Use?
Like many people, I use a FitBit to track my heart rate, calorie burn, etc., but after a walk with my dog, I felt a bit skeptical about the amount of calories I really burned. I pulled out my decade old Polar FT7, put in new batteries and tested. The next day, FitBit reports 226 calories burned walking my dog, Polar 98.…