MET Values for each Exercise in MapMyFitness

Sometimes I want to do an exercise and record it in MapMyFitness, but MapMyFitness doesn’t have that particular exercise. So I choose the next-closest exercise. For instance, sometimes I ruck - I walk around the neighborhood wearing a backpack with weights. (I use a HYPERWEAR® Rucking Backpack with Yes4All Rucking Weights). In those cases, I choose the next closest activity - in the case of rucking, I choose one of Hiking, Light or No Pack, Hiking, Medium Pack, or Hiking, Heavy Pack depending on how much weight I’m carrying. I was wondering, however, how close were these options to my actual exercise? Most exercises have an associated MET value, or metabolic equivalent of task. Most common exercises have published MET values. MET values determine how many calories a given activity burns per unit time and can generally be thought of as a multiple of the calories burned at rest. Therefore, for the same person and duration, an exercise with a MET value of 4 would burn roughly twice as…