Then, a smart scale feeds these measurements into its proprietary algorithms (often incorporating self-reported metrics like age, sex and height) that calculate your body composition. The accuracy ...

Smart scales use a method called bioelectrical impedance analysis (BIA), typically through a foot-to-foot impedance meter, to measure things ... along with your age, height, and gender (users ...

Most maps have a scale. These help us to work out distances ... by a black dot with a number next to it. The number is the height above sea level in metres. The blue triangle represents a ...