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A quick look at the best smart scales
- Best overall: Eufy Smart Scale P1
- Best high end: Qardio Base 2 WiFi Smart Scale
- Best value: Etekcity Smart Fitness Scale
- Best with app: Fitbit Aria Air Smart Scale
- Best with Wi-Fi: Withings Body+
- Best features: FITINDEX Bluetooth Body Fat Scale
Smart scales measure multiple metrics of body composition — not just your weight.
Typically, they use bioelectrical impedance analysis (BIA), a noninvasive tool that evaluates your body composition by sending a weak electrical current through your body (1).
A snapshot of your body composition may be especially useful if you’re hoping to build muscle mass or decrease body fat. However, the large smart scales market makes it challenging to determine which products are worth their price tag.
Reasons to buy a smart scale
Some people may prefer to purchase a smart scale rather than a typical scale because smart scales measure several aspects of body composition beyond just weight.
In fact, some can measure body fat, muscle mass, or body water percentage, among other metrics.
Tech-savvy individuals may also prefer smart scales for the added convenience they offer. For example, many offer Bluetooth or Wi-Fi connectivity, while others sync directly to your smartphone or connect to an app to track your progress over time.
Additionally, a smart scale may be a good option for families and larger households, because many models allow you to set up profiles for multiple users.
How we chose
The smart scales featured in this article were selected based on the following criteria:
- available measurements
- value
- connectivity
- additional features
- customer reviews
Here are 6 of the best smart scales of 2022.
A note on price
General price ranges are indicated below with dollar signs ($–$$$). One dollar sign means the product is rather affordable, whereas three dollar signs indicate a higher cost.
Pricing guide:
- $ = under $50
- $$ = $50–$100
- $$$ = over $100
Healthline’s picks of the best smart scales
Best overall
Eufy Smart Scale P1
Price: $
With its slim and stylish design, simple setup, and user-friendly app, the Eufy Smart Scale P1 takes the top spot as the best smart scale on the market.
It provides 14 unique measurements of body composition, including weight, lean body mass, body fat mass, muscle mass, and basal metabolic rate (BMR), which is an estimate of how many calories you burn throughout the day.
It also allows you to track health data for up to 16 users on a single account and syncs with several third-party fitness apps using Bluetooth.
Pros
- allows you to track up to 16 users on each account
- provides 14 measurements of body composition
- affordable
Cons
- some reports of issues with long-term functionality
- some reports of inaccurate readings
- doesn’t offer Wi-Fi connectivity
Best high end
QardioBase 2 WiFi Smart Scale
Price: $$$
This sleek smart scale is easy to set up, packed with features, and worth the investment if you’re looking for a top-of-the-line option.
In addition to measuring your weight, it tracks other metrics of body composition, including your body fat percentage, bone and muscle mass, and body water percentage.
It’s also compatible with many popular health apps and connects with both Wi-Fi and Bluetooth to easily transmit your data.
Plus, it’s fully rechargeable and can last up to 12 months on a single charge.
Pros
- features Wi-Fi and Bluetooth connectivity
- fully rechargeable with long battery life
- syncs with multiple fitness apps
Cons
- expensive
- mobile app required to use advanced features
- some reports of inconsistent measurements
Best value
Etekcity Smart Fitness Scale
Price: $
This affordable smart scale provides an in-depth look at your body composition with 13 different measurements, including visceral fat, subcutaneous fat, metabolic age, skeletal muscle, and body mass index (BMI).
It also offers easy integration with many health apps, includes Bluetooth connectivity, and lets you store data for unlimited users.
What’s more, it has a wide, stable platform for comfort and safety and a large LED screen so you can view your measurements clearly.
Pros
- budget-friendly
- tracks 13 metrics of body composition
- stores data for unlimited users
Cons
- doesn’t offer Wi-Fi connectivity
- not rechargeable
- some reports of short battery life
Best with app
Fitbit Aria Air Smart Scale
Price: $
The Fitbit Aria Air Smart Scale is a high tech scale that syncs with the Fitbit app to monitor your health.
It not only measures your weight and BMI but also tracks long-term trends using charts and graphs on the app.
On the Fitbit app, you can also set goals, measure your hydration, and record your activities and food intake.
The scale auto-syncs data for multiple users and keeps individual stats private, so it’s a great option for large families or households.
Pros
- connects to Fitbit app
- affordable
- tracks long-term weight trends
Cons
- doesn’t measure as many metrics of body composition as other scales
- doesn’t include Wi-Fi connectivity
- may be challenging to set up initially
Best with Wi-Fi
Withings Body+
Price: $$
This Wi-Fi-enabled smart scale syncs automatically with more than 100 popular health and fitness apps.
It measures your weight within 0.2 pounds (100 grams) and monitors your body fat percentage, water percentage, bone mass, and muscle mass.
Plus, it includes nutrition tracking and features suitable for a variety of possible users, including modes specifically for pregnant people and babies.
It also allows up to 8 users and boasts an extra-long battery life of up to 18 months.
Pros
- syncs with 100+ fitness apps
- boasts extra-long battery life
- includes multiple modes for various life stages
Cons
- some reports of issues with glass durability
- not rechargeable
- relatively expensive
Best features
FITINDEX Bluetooth Body Fat Scale
Price: $
With 13 measurements of body composition, this scale from FITINDEX not only helps you keep tabs on your weight but also monitors your body fat, bone mass, skeletal muscle, visceral and subcutaneous fat, and more.
It includes Bluetooth connectivity and works with the FITINDEX app, as well as third-party apps like Apple Health, Google Fit, and Samsung Health.
Additionally, because it permits unlimited users, it’s a cost-effective and convenient option for families.
Pros
- measures 13 metrics of body composition
- allows unlimited users
- cost-effective
Cons
- doesn’t include Wi-Fi connectivity
- some reports of issues with accuracy and calibration
- not rechargeable
How to choose the best smart scale
There are a few key factors to consider when shopping for a smart scale.
For starters, you may want to determine which measures of body composition are most important to you. Some of the most commonly measured metrics are:
- body weight
- body fat percentage
- bone mass
- muscle mass
- BMI
- BMR
- body water percentage
It’s also helpful to find a smart scale that works well with your favorite fitness apps and to determine whether it offers Bluetooth or Wi-Fi connectivity.
Additionally, be sure to consider the price, power source, and maximum number of users.
A comparison of the best smart scales
PriceApp connectivityAdditional featuresEufy Smart Scale P1$• Apple Health• Google Fit
• Fitbit• Bluetooth connectivity
• 14 measures of body composition
• allows up to 16 users per accountQardio Base 2 $$$• Apple Health
• Samsung Health
• MyFitnessPal
• Google Fit
• Cronometer• Bluetooth and Wi-Fi connectivity
• 6 measures of body composition
• allows up to 8 usersEtekcity Smart Fitness Scale$• Apple Health
• Google Fit
• Fitbit
• MyFitnessPal
• Samsung Health• Bluetooth connectivity
• 13 measures of body composition
• stores data for unlimited usersFitbit Aria Air Smart Scale$Fitbit• Bluetooth connectivity
• allows multiple users to sync dataWithings Body+$$100+ apps• Wi-Fi connectivity
• 6 measures of body composition
• allows up to 8 usersFITINDEX Bluetooth Body Fat Scale$• Apple Health
• Fitbit
• Google Fit
• Samsung Health• Bluetooth connectivity
• 13 measures of body composition
• allows unlimited users
How accurate are smart scales?
Though smart scales can be a useful tool to provide a general overview of your body composition, they may not be as accurate as other methods.
One study evaluated the reliability of BIA — the tool used by many smart scales — and found that its accuracy decreased with higher amounts of body fat (2).
Another test conducted by Consumer Reports compared the accuracy of six smart scales to the results obtained by a machine called the Bod Pod, a highly accurate device that tracks changes in air pressure to determine body fat percentage (3).
According to the test, the 6 smart scales were all fairly far off from the Bod Pod’s results — in some cases, by as much as 34%. This variability could possibly be attributed to differences in body shape, hydration status, and recent exercise (3).
Still, smart scales may be useful for tracking changes in body fat and providing a general snapshot of your overall body composition.
The flaws in measuring body fat with a scale
Besides the potential inaccuracies associated with smart scales, there are several other reasons why measuring your body fat with a scale may not be ideal.
Many factors can impact body fat measurements, including the time of day, the amount of food you’ve eaten, whether you’ve consumed alcohol recently, your body shape, and whether you are sweating (4).
Additionally, some manufacturers recommend avoiding body fat scales if you have a pacemaker or other internal medical device. Though some research suggests that smart scales may be safe for people with these devices, it’s best to talk with your doctor first (5, 6).
Furthermore, while a smart scale can provide a general estimate of how much body fat you have, it cannot determine exactly where the fat is located.
This is an important consideration when it comes to disease prevention, as higher amounts of stomach fat may be linked to a higher risk of heart disease (7).
Frequently asked questions
Are smart scales worth it?
Smart scales may be worth considering for individuals who are interested in tracking and measuring multiple metrics of body composition.
Because many smart scales sync with a variety of health and fitness apps and allow multiple users to store their data, the additional convenience a smart scale offers may also be worth it for some people.
Does Apple have a scale?
While Apple does not currently offer a scale of its own, the Withings Body+ and Withings Body Cardio smart scales are available on Apple’s website.
Why should I purchase a smart scale?
A smart scale can be useful if you are looking to measure multiple metrics of body composition or seeking a simple way to sync your data to your favorite health and fitness apps.
However, keep in mind that smart scales are often more expensive than a typical scale and can be time consuming to set up, so they may not be a good fit for everyone.
The bottom line
Smart scales can be a useful tool for measuring several metrics of body composition.
When selecting a smart scale, consider which features it offers, as well as the price, power source, maximum number of users, and connectivity options.
You can also use this list to help you find the best product for you.