Can someone help me understand calories and kilocalories and kilojoules? I've googled it, but I'm just not getting it. It's saying Kcal and cal are the same thing, but I what a K stands for, and I see people using kcal and others using cal, and I'm just a little lost here.
And what in heaven's name is a kilojoule? I thought joule was a unit for electricity... The article I just read said it was the metric measurement of calories, but isn't calorie already a metric measure? I was taught a calorie was the amount of energy needed to raise 1 gram of water 1 degree centigrade, which sounds pretty metric to me...
Am I the only one who's having trouble with this? :/
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source https://www.reddit.com/r/loseit/comments/mj3be3/eli5_calkcalkj/
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