Fitness Minutes: (57,011)
4,787 2/28/14 9:18 P
Thanks for the comments and information. I got it at Walmart and the price was only a couple dollars more than the plain digital "weight only" scale. I weight every day ... but I'll probably just look at the other once per month and/or if I am not sure about water retention.
But I have been at this for 6.5 years now and I think I now my hydration status without having to have a machine estimate it. And I have no need to invest time and money to get more sophisticated measurements.
I own a Beurer Scale and it features 10 user memories, body weight, body fat, water hydration, muscle percentage, bone mass and activity levels. I've been really pleased my scale. I really like the water hydration, because when I weight it allows to me to see that I'm slacking on the water.
2/28/14 5:58 P
I don't know how reliable they are. I just know they are a pain to program.
I like scales that don't do anything other than weigh me and I love my cheapo digital scale with no bells or whistles.
That said, I have no idea how accurate the ones that measure body fat and hydration are, but if the user finds those numbers motivating and just wants to see the relative changes in their body over time, personally I think that's great.
Edited by: EMPRESSAMQ at: 2/28/2014 (12:54)
Fitness Minutes: (41,124)
26,592 2/28/14 5:19 A
They say they measure body fat and hydration, but really they measure water and call it two different things.
Muscle is wet and fat is dry. These scales send a very tiny electrical current and measure how fast it goes around and comes back. Since water is a good conductor, if you have a lot of water in your body, it will move faster than if you're drier. Then the computer in the scale uses a formula to make a guesstimate about how much of that water is in lean muscle tissue and how much is in other tissue, and gives you a guess at your fat percentage.
It's not accurate, but that doesn't mean it's not useful. It's great for your psychological state because it can explain weird sudden weight gains. If your weight goes up but your "fat percentage" goes down, it means you're retaining water and you probably don't have anything to worry about. If your weight and your "fat percentage" both go up, you probably have actually gained some fat and you need to figure out why. If your weight goes down but your fat percentage goes up, you're probably a bit dehydrated. If they both go down, congratulations! The weight loss is probably really fat loss.
It really just identifies trends, though. It's not good for knowing what your actual body fat percentage is. If it gives you a reading of 30% on average in March and 26% on average in August, you probably really have gained some muscle/lost some fat. You might really have 26%, but it's just as likely 32% or 21%-- but it's less than it was in March. That's all you'll know, but that's good information to have.
I've had my "body composition" scale for about 8 years now, and even though I know, intellectually, whether a weight change is real or water, I still really like having the confirmation of that second number. I'm not sure I would encourage someone to buy one if it was a lot more expensive than a regular digital scale, but since you've already got it, you'll probably like having it to see which way you're going in general over time.
Fitness Minutes: (2,336)
2/27/14 10:48 P
I have one that measures body fat % and water % BUT I don't know how accurate they are because the body fat % seems to fluctuate a lot from day to day
Fitness Minutes: (57,011)
4,787 2/27/14 10:42 P
I recently had to replace my old bathroom scale. My new one includes measurements of body fat percentage and hydration.
Does anybody know exactly how those numbers are derived? And are they bogus -- or legit enough to take seriously?
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