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That’s not right though. Let’s exaggerate and say I was 100 Kg and 20% BF (ie 20 kg of fat) then sweated off half my weight to 50kg, still 20kg of fat so the percentage of me that’s fat goes up.
Likewise if I drank 100kg of fluid my fat % would half.I think the problem is just the way the scales use electrical impedence, I’ll start looking at some of the other metrics that these Tanitas spit out, particularly body water % and see if there’s a pattern.
I’ve googled this and now I’m confused... if you’re dehydrated the BF% on the scales should read higher or lower?
I always get my lowest result post exercise but that conflicts with Tanita FAQs.