Spoiler: It's not the bones that are heavy🥲

Those things are totally bogus if it makes you feel any better. Changes in body composition are not reflected properly via bioelectric impedance.
Truth is every bf% measurement is pretty much just a guess with a huge range of error. Far more practical to find some other measurement to track, such as athletic performance (lifting, cardio times) while keeping a loose eye on your weight
- This is why we need home MRI machines so you can get a 3D model of the fat in your body /s
- Are you saying that digital scales used to measure the weight of a person are inaccurate or am I mixing topics? This is new to me. Why measuring weight should be hard/inaccurate?
  And why analogic scales (if they can be called like that) are better?
  
  No, they are talking about weights that spits out a body fat percentage alongside the weight.
  
  The other response is correct. Many “smart” scales claim to be able to tell you not only your weight, but also what percentage of your weight is lean mass vs body fat.
  They are not accurate in that respect and should never be used
  Normal scales that just tell you your weight, whether digital or analogue, are generally correct and reliable
- This may be true for most brands/scales, though the Omron body composition scales where you hold the handlebars are clinically validated and used in research
  
  Apologies, but the Omrom scales are a fundamentally worthless scam. I strongly discourage you from relying on them for any purpose relating to bf%, and strongly encourage you to disregard any information you receive from sources that imply the information they provide you is worthwhile. It's incredibly common for the handlebar bioelectric impedance devices to be used in gym contexts to try and push personal training ("Free consultation including a bodyfat scan!"). I additionally encourage you to discontinue your subscription to any gym that offers this, and leave them a negative review specifying why you left.
  The fitness industry is bursting with many such scams. I advise you to disregard them all. I'm happy to delve into this subject in as much depth as you may be interested in
  
  Impedance body fat analysis had a lot of problems, I'll just get into one:
  The measurements, even the palm to feet ones on big machines in medical settings with handles, are based on a known level of how much human skin conducts electric currents. I'm part of a genetic group that I'm missing one of the 5 types of collagen and so my skin conducts electricity differently and the impedance machine gives me the exact same 44% BF reading regardless of my actual weight. My doctor had to tell me that impedance BF measurements will never be accurate for me so I have to have a DEXA or skin fold if I want to know for sure. This would have been fine if I hadn't already spent years believing those fucking devices that thinking that even though I was losing fat, I must be doing something wrong be the impedance scale didn't change as they were "scientific".
  They aren't that accurate for the whole population, and we don't actually know what percentage of the population they are accurate for because no one has bothered to check.
- Skin fold isn’t necessary accurate but it is repeatable. I’d you measure the same spots the same way you can tell if you are gaining or losing fat.
  
  Skin fold calipers, in the best possible case scenario when administered by a trained expert, have such a significant margin of error as to make them functionally useless. I strongly discourage you from lending any credence whatsoever to their measurements when determining your plans regarding training and nutrition.
  See my other comment regarding the smart scales, but it's the same situation. They're not "always consistently wrong by the same amount" per individual. If so, then yes, that would be useful for tracking trends. Sadly they are not

I'm 75% anxiety.

i don't get it
- The smart scale acts like it can determine your fat and muscle weight. The joke is about not being able to day you have heavy bones because the scale tells you it's all fat.

bad ideas I don't need, not want, but still want:
CHATGPT scale.
instead of giving you your weight, it'll burn you or call you out.