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

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

The Withings Body Comp Smart Scale is on sale for $169.95, an over 25% markdown from its usual $229.95 for Prime Day. This ...

Tracking your weight and body composition with a smart scale is an easy and effective way to reach or maintain your health and fitness goals. And though I’ve tested many smart scales, such as ...

A smart scale is a good investment if you want to track your weight, body composition, and progress over time. They're also great for people who're losing weight or pursuing fitness goals.

If you just want to measure your body weight, smart scales work just like any regular scale. But that's where the similarities end. Depending on the brand, smart scales can estimate your body fat ...

Smart scales use bioelectrical impedance to measure your body composition. The user stands on the scale with bare feet, and the scale sends a mild electrical current up through their body.

A cornerstone of the Body Scan smart scales is the multi-frequency Bioelectrical Impedance Analysis (BIA) technology. This technology sends a safe, undetectable current through the body to provide ...

The Eufy Smart Scale P2 Pro is a solid midrange smart scale that measures your weight, heart rate and body composition and delivers it in a useful manner.

The Withings Body smart scale is a well-designed and decent bit of kit, but if you want body composition stats, we recommend the brand’s Body+ or Body Cardio scales instead.

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