Bioelectric Impedance Analysis or BIA, as the metric is called, gives an analysis of the muscle, fat, and water composition of your body. But how accurate are these smartwatch measurements?

Body fat scales provide a rough estimate of your body composition based on your weight and other factors. However, research suggests that smart scales may not be fully accurate at measuring body fat.

Smart scales, also known as body fat scales, not only measure your body weight and Body Mass Index (BMI), but also provide a breakdown of your body composition ... are not as accurate as ...

A new study shows that it’s accurate for people at different body ... to calculate body fat by people studying weight and body composition, but is cumbersome and tricky to conduct correctly.

Body fat scales are devices that a person can use to measure their weight and body composition at home. Body fat scales can provide a rough estimate. However, they are not very accurate.

this might give a more accurate result," Dal Molin explained. Some studies suggest that foot-to-hand technology may improve the accuracy of body composition measurements. | Credit: Getty Images ...