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1 / 6
Your smart scale's body fat number can shift several points just from how much water you drank, so the trend matters far more than any single reading.
2 / 6
The scale can't tell fat from muscle or water.
3 / 6
Method How it works Typical accuracy Cost and access DEXA scan Low-dose X-ray separates fat, lean and bone Within about 1 to 2 points…
4 / 6
Measure your neck just below the voice box, tape sloping slightly down to the front.
5 / 6
Same method, same time of day, same conditions each time Measure every 2 to 4 weeks, not daily Track waist size alongside; it's simple and…
6 / 6
If you only track one measurement besides weight, make it your waist.
Tape measure, smart scale, calipers or DEXA? How each body fat method works, how accurate it is, and how to track a trend that actually means something.
Tap below for the full page. Not medical advice; talk to your clinician about your care.