Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do they work?

These are the best smart scales to buy in every category, from Withings Body and Garmin Index S2 to Renpho Elis 1.

Some of today's bathroom scales measure not only your overall weight but also the percentage of your weight that comes from fat vs. muscle, bone, and water.. Known as body-fat scales, some also ...

A body composition scale analyzes how electrical signals flow through your body, estimating how much of your total weight is fat-free mass compared to body fat.

An NSV is a non-scale victory, a sign that you're making progress toward a weight-loss goal that has nothing to do with your weight or BMI.

Today’s bathroom scales often measure more than just weight, offering comprehensive insights about your health. By Camryn Rabideau Updated: Jan 19, 2023 4:00 PM EST. Staff, Courtesy of Fitbit.

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.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images The number on the scale does not tell the whole story. Your body weight ...

An NSV is a non-scale victory, a sign that you're making progress toward a weight-loss goal that has nothing to do with your weight or BMI.