The Withings Body Scan is the overall best smart scale for weight loss due to its segmental body composition analysis and medical-grade accuracy. For a more affordable alternative, the Eufy Smart Scale P3 offers reliable measurements and a user-friendly app at a lower cost.
Check price on AmazonTracking weight alone isnt enough for effective weight loss. Smart scales measure body fat, muscle mass, and other metrics to give you a fuller picture of your progress. But with dozens of options, from basic models to advanced medical-grade devices, choosing the right one can be overwhelming. We analyzed expert reviews, owner feedback, and specifications to rank the best smart scales for weight loss in 2026.
Our ranking prioritizes accuracy, consistency, app ecosystem, and durability. We looked for scales that sync seamlessly with popular fitness apps, provide clear trend data, and have reliable measurement sensors. Below you will find our top seven picks, each suited for different needs and budgets.
How we rank
We ranked these scales by analyzing owner reviews across multiple retailers and forums, expert ratings from health sites, and spec comparisons for accuracy and connectivity. See our method.
Quick picks
| Best for | Product | Who it suits |
|---|---|---|
| Best Overall | Body Scan | Those who want detailed body composition and health metrics |
| Best for Accuracy | Index S2 | Users who prioritize precise weight and body fat measurements |
| Best Value | Smart Scale P3 | Budget-conscious users who want reliable metrics and app features |
| Best for Athletes | SmartScale Garmin Index 2 | Runners and fitness enthusiasts in the Garmin ecosystem |
| Best Budget | Body+ | Those wanting a basic smart scale with body fat tracking on a budget |
| Best Lightweight | Smart Scale P1 | Travelers or those who move the scale between rooms |
| Best Premium | Body Cardio | Tech enthusiasts who want advanced heart health metrics |
The picks, compared
Body Scan
The Withings Body Scan sets the standard for smart scales with medical-grade segmental body composition analysis. It measures body fat, muscle mass, and water percentage for each limb and trunk. The scale also offers a vascular age assessment and nerve health check. Users appreciate the compatibility with Apple Health, Google Fit, and the detailed Health Mate app.
What owners say: Owners rave about the accuracy and consistency of readings, especially for tracking changes over weeks. Many note that the segmental analysis helps them adjust their workout focus. Some report occasional Wi-Fi sync issues that require reconnection.
- Medical-grade segmental body composition
- Vascular age and nerve health assessments
- Seamless app integration with Apple Health and Google Fit
- Higher price point
- Setup can be confusing for some users
Index S2
The Withings Index S2 is a slim, advanced scale that offers the same core accuracy as the Body Scan but without segmental analysis. It uses Wi-Fi to sync automatically to the Health Mate app and other platforms. The scale features retractable feet for stability on any floor. Its design is minimal and durable with a large display.
What owners say: Owners frequently mention the scale's consistent readings day to day, which is crucial for weight loss tracking. Reviewers also appreciate the instant sync and multiple user profiles. A few users note that the scale can be sensitive to flooring, requiring a hard surface for best results.
- Highly accurate weight and body fat measurements
- Automatic Wi-Fi syncing with multiple profiles
- Sleek, space-saving design
- No segmental body composition analysis
- Requires hard floor for optimal accuracy
Smart Scale P3
The Eufy Smart Scale P3 offers a great balance of features and affordability. It measures weight, body fat, muscle mass, and bone mass, with a user-friendly app that tracks trends and integrates with Apple Health and Google Fit. The scale supports up to 16 users and has a large display. It uses high-precision sensors for consistent results.
What owners say: Owners frequently praise the scale for its easy setup and clear app interface. Many note that the measurements align well with those from gym equipment. Some report that the scale can lose Bluetooth connection if not stepped on correctly.
- Affordable price with comprehensive body metrics
- Supports up to 16 users
- Compatible with Apple Health and Google Fit
- Bluetooth only, no Wi-Fi sync
- No segmental body analysis
SmartScale Garmin Index 2
The Garmin Index 2 is designed for athletes who use Garmin wearables. It measures weight, body fat, muscle mass, and bone mass, and syncs via Wi-Fi to Garmin Connect. The scale provides trend data and integrates with Garmin's training load and body battery features. It also supports multiple user profiles and has a large, easy-to-read display.
What owners say: Owners who use Garmin watches love the seamless integration and the ability to see body composition in the same app as their workouts. Many note that the scale is accurate and durable. Some users mention that the app could offer more detailed insights compared to Withings.
- Excellent integration with Garmin ecosystem
- Wi-Fi sync for automatic data upload
- Durable build with large display
- Limited to Garmin Connect for full features
- No segmental body analysis
Body+
The Withings Body+ is an entry-level smart scale that still delivers impressive accuracy. It measures weight, body fat, and water percentage, and syncs via Wi-Fi to the Health Mate app. The scale is simple to use with automatic user recognition. It offers trend graphs and integration with over 100 health apps.
What owners say: Owners appreciate the scale's reliability and the companion app's clear trend charts. Many note that it helps them stay motivated by showing progress over time. Some users wish it measured muscle mass directly (it calculates it).
- Wi-Fi sync with automatic user recognition
- Compact and affordable design
- Integrates with many health apps
- Limited metrics compared to higher-end models
- No retractable feet, can wobble on thick carpets
Smart Scale P1
The Eufy Smart Scale P1 is a lightweight and portable smart scale that still offers body fat, muscle mass, and bone mass measurements. It uses Bluetooth to sync with the Eufy app and supports up to 16 users. The scale has a minimalist design and is easy to carry. It runs on AAA batteries and has a simple interface.
What owners say: Owners like the scale's portability and weight, making it easy to store or travel with. Many note that its readings are consistent with other scales. Some report that the app could be more intuitive for viewing historical data.
- Lightweight and portable design
- Affordable with solid feature set
- Supports multiple users
- Bluetooth only, no Wi-Fi
- App interface feels less polished than competitors
Body Cardio
The Withings Body Cardio is a premium smart scale that adds pulse wave velocity for cardiovascular health tracking. It measures weight, body fat, muscle mass, bone mass, and standing heart rate. The scale syncs via Wi-Fi to the Health Mate app and offers pregnancy tracking mode. Its design is sleek with a large display.
What owners say: Owners who are health conscious value the pulse wave velocity and heart rate data. Many note that the scale helps them monitor cardiovascular fitness trends. Some users find the pulse wave velocity reading less consistent than other metrics.
- Pulse wave velocity for arterial health
- Standing heart rate measurement
- Pregnancy and athlete modes
- High price point
- Less intuitive initial setup
How to choose
- Accuracy and Consistency. Look for scales with high-precision sensors (like those used by Withings) that provide consistent readings day to day. Check user reviews for feedback on repeatability.
- Connectivity and App Integration. Ensure the scale syncs via Wi-Fi or Bluetooth to apps you already use, such as Apple Health, Google Fit, or MyFitnessPal. Wi-Fi is more convenient for automatic syncing.
- Metrics Measured. Beyond weight, consider scales that measure body fat, muscle mass, bone mass, and water percentage. Some advanced models offer segmental analysis for targeted tracking.
- Multi-User Support. If multiple people in your household will use the scale, choose one with automatic user recognition and unlimited profiles. Check if it can distinguish between users reliably.
- Build and Durability. Scale platforms should be sturdy with non-slip pads. Look for models with glass tops and retractable feet for stability on carpets. Battery life and display readability are also important.
Frequently asked questions
How do smart scales measure body fat?
Smart scales use bioelectrical impedance analysis (BIA), which sends a tiny electrical current through your body. The current passes faster through muscle and water than fat, and the scale calculates body fat percentage based on resistance. Consistency in hydration and time of day improves accuracy.
Are smart scales accurate for weight loss tracking?
Smart scales are accurate enough to track trends over time, which is more important for weight loss than a single reading. They provide consistent measurements when used under similar conditions (same time, same floor, after voiding). For absolute accuracy, medical-grade scales are needed, but smart scales are excellent for home use.
Can a smart scale help with weight loss?
Yes, because they provide more than just weight. By tracking body fat, muscle mass, and other metrics, you can see if you are losing fat while preserving muscle. This data helps adjust diet and exercise plans. The visual trend charts in apps also boost motivation and adherence.
Do I need a smart scale if I already have a regular scale?
If you are serious about understanding your body composition changes, a smart scale offers valuable insights that a regular scale cannot. It automates data logging and provides trends without manual tracking. However, if you only want weight, a regular scale suffices.
How do I set up a smart scale for multiple users?
Most smart scales allow you to create profiles in the companion app. When you step on the scale, it automatically recognizes you based on weight (or previous user). Ensure each person has their own profile and weight differs enough for accurate detection.
What is the difference between Wi-Fi and Bluetooth smart scales?
Wi-Fi scales automatically sync data to the cloud without needing your phone nearby, which is convenient for daily use. Bluetooth scales require the app open and phone in range to sync, but they often cost less. Wi-Fi is more reliable for hands-free tracking.
The verdict
The Withings Body Scan earns our top recommendation for its unmatched segmental body composition analysis and health assessments. For athletes in the Garmin ecosystem, the Garmin Index 2 offers seamless integration and reliable metrics. Budget-focused users should consider the Eufy Smart Scale P3 for solid performance at a lower cost.
Video Guide
Video: Related tutorial from YouTube