Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsNo Galaxy Watch glucose-measuring feature is documented in the Samsung materials reviewed. Samsung does publish guidance for connecting Bluetooth Low Energy (BLE) glucose meters to Samsung Health, but in that setup the separate meter measures glucose; the watch is not the measuring instrument. Seeing readings from a continuous glucose monitor (CGM) on a Galaxy Watch is a separate compatibility question, and the official documents reviewed do not confirm a universal Galaxy Watch pairing.
Can a Samsung Galaxy Watch measure blood sugar?
Samsung’s reviewed support and feature pages do not list built-in blood-glucose measurement as a Galaxy Watch capability. Samsung’s June 2026 Vitals announcement describes five overnight signals—heart rate, heart rate variability, respiratory rate, skin temperature and blood oxygen—but not glucose. Those health sensors should not be treated as a way to infer or diagnose blood-sugar levels.
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This conclusion describes the Samsung documentation reviewed; it does not prove that a future or market-specific feature could never be introduced. Check Samsung’s current local product and support information for any later changes.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →What are the different ways glucose data might appear?
Measurement by a separate glucose meter
Samsung Developer lists compatibility guidance for BLE glucose meters connecting with Samsung Health. This is a connection path for an external device: the meter takes the measurement, and supported software can make its data available in the health app. The guidance does not establish that every meter works with every phone or watch, or that the Galaxy Watch itself measures glucose. Samsung Developer’s BLE glucose meter guidance is the place to check connection details and supported configurations.
#1 Best Overall
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- WHY GALAXY WATCH8: Advanced health and sleep tracking features.* A lighter, more snug design for all day comfort.* Improved user interface.* Personal AI assistant for hands free help.⁴* 2-Year Warranty.
- SLEEP SMARTER. LIVE BETTER: Energize your days with a great night’s rest using Advanced Sleep Coaching¹ - improved with even more ways to keep your nights on track. Plus, Bedtime Guidance² helps you find your optimal bedtime.
- YOUR RUN, YOUR COACH: Step up your running routine with a Running Coach³ that analyzes your performance and gives you real-time feedback. Training for an event? Try specific programs built for 5Ks, marathons and more.
- NEW DESIGN. LIGHTWEIGHT FEEL: Maximize your days with a minimalist design. The sleek, thinner-than-ever silhouette makes Galaxy Watch8 look as good as it functions. With a snug fit and sporty style, it gives you readings without getting in your way.
- A PERSONAL ASSISTANT, RIGHT ON YOUR WRIST: Your Watch just became your personal assistant.⁴ Stay one step ahead of your day with a watch that helps you navigate your tasks and to-do lists.
Readings from a continuous glucose monitor
A CGM uses its own sensor and system to provide glucose readings. Whether those readings can also be shown on a watch depends on the CGM maker’s app and support for the precise phone, watch, software and country. A smartwatch display is not the same thing as the watch measuring glucose.
Dexcom’s direct-to-watch instructions reviewed here describe Apple Watch and do not confirm Galaxy Watch support. Abbott’s reviewed FreeStyle LibreLink compatibility document covers phone and operating-system combinations, not a current Galaxy Watch display setup. Neither establishes a universal Samsung-watch configuration.
Rank #2
![Samsung Galaxy Watch9, Graphite, 40mm Bluetooth Smartwatch | AI Assistant, Fitness Tracker, Sleep Coaching and Running Coaching with Heart Rate Tracking [US Version, 2 Yr Warranty]](https://m.media-amazon.com/images/I/31Q6G58gP9L._SL160_.jpg)
- TRACK HEALTH PATTERNS¹ IN YOUR SLEEP WITH VITALS²: Stay aware of the subtle changes in your body with Vitals¹–it tracks health metrics while you sleep, catches shifts from your usual patterns, and provides tailored guidance based on the insights.²
- A PERSONALIZED COACH FOR YOUR FITNESS GOALS: Whether you're building endurance for a long trek or training to build muscle, Fitness Index³ delivers tailored guidance based on your fitness level goals. Finally, train smarter with your fitness watch.
- EVERYDAY AI ASSISTANCE, SIMPLIFIED: With the Galaxy Watch9, you can just raise your wrist, start talking naturally and get instant AI assistance⁴—no wake phrase needed. This smart watch won’t slow you down.
- ONE PERSONALIZED SCORE TO KNOW YOUR HEART BETTER: Instead of checking multiple metrics separately, track the single Heart Health Score⁵ based on sleep time, BMI, activity and vascular load to stay aware of your wellness.
- TRACK YOUR NIGHTS. OWN YOUR DAYS: Galaxy Watch9 gives you personalized recommendations and habit-building guidance with Advanced Sleep Coaching.⁶ Plus, Bedtime Guidance⁷ helps you find your optimal bedtime so you can wake up feeling refreshed.
How to check whether your setup is supported
- Identify the exact devices. Note your Galaxy Watch generation and software version, Samsung phone model and Android version, and the exact glucose meter or CGM model and app.
- Check the glucose-device maker’s current compatibility information. Look for your precise phone, operating system, watch model and country—not merely a statement that the app works on a phone or supports a smartwatch generally.
- Check Samsung’s local requirements for the Samsung Health feature you plan to use. Samsung Health Monitor is a separate app with its own compatible-device and regional conditions; its requirements do not establish glucose-monitoring support.
- Confirm the intended data path. Determine whether the meter or CGM sends readings to a phone app, Samsung Health, or a watch display, and which component actually measures glucose. If the manufacturer’s instructions do not explicitly include your configuration, do not assume it is supported.
Why country and device requirements matter
Samsung’s US support page says Samsung Health Monitor works only with compatible Samsung phones and watches, is unavailable on other Android models and iOS, and requires a country where the relevant app feature has launched. Its general pairing requirements include a qualifying Galaxy Watch and a Samsung Galaxy phone running Android 12 or later; individual features can have additional requirements. These are Samsung Health Monitor conditions, not evidence that it measures glucose. Check Samsung’s US Samsung Health Monitor requirements for the local, current details.
Samsung’s UK Galaxy Store listing notes that some features are subject to medical-device approval and regional restrictions. It also says availability may be restricted after travel, a factory reset or reinstall in a country where the service is unavailable. Those are UK listing details and should not be generalized to every market. See the UK Galaxy Store listing.
Rank #3
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- WHY GALAXY WATCH8: Advanced health and sleep tracking features.* A lighter, more snug design for all day comfort.* Improved user interface.* Personal AI assistant for hands free help.⁴* 2-Year Warranty.
- SLEEP SMARTER. LIVE BETTER: Energize your days with a great night’s rest using Advanced Sleep Coaching¹ - improved with even more ways to keep your nights on track. Plus, Bedtime Guidance² helps you find your optimal bedtime.
- YOUR RUN, YOUR COACH: Step up your running routine with a Running Coach³ that analyzes your performance and gives you real-time feedback. Training for an event? Try specific programs built for 5Ks, marathons and more.
- NEW DESIGN. LIGHTWEIGHT FEEL: Maximize your days with a minimalist design. The sleek, thinner-than-ever silhouette makes Galaxy Watch8 look as good as it functions. With a snug fit and sporty style, it gives you readings without getting in your way.
- A PERSONAL ASSISTANT, RIGHT ON YOUR WRIST: Your Watch just became your personal assistant.⁴ Stay one step ahead of your day with a watch that helps you navigate your tasks and to-do lists.
Compatibility for CGM display can change independently of Samsung Health Monitor availability. Check the current manufacturer pages for the exact CGM, app, phone, watch software and country. The documents reviewed here do not provide a complete current Samsung Galaxy Watch compatibility matrix for Dexcom or FreeStyle Libre.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Do not use a watch display as a substitute for glucose monitoring
A Galaxy Watch health-sensor reading is not a glucose result. Do not use it to replace a glucose meter, CGM, prescribed monitoring plan or medical advice. Follow the instructions for your glucose device and ask your clinician how to use readings when making diabetes-care decisions. If a watch display is available in a particular supported setup, verify what the manufacturer says it is intended to do and whether it is suitable for your care.
Quick Recap
Best Value
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- Vibrant 1.6” AMOLED Display – Large, high-res screen with smooth touch for easy navigation
- 5ATM & IP68 Water Resistance – Swim-ready and dust-resistant for active lifestyles
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- 101+ Workout Modes with Auto Detection – Automatically tracks common workouts for seamless fitness tracking. Advanced Health Tracking – Includes sleep coaching, SpO2, heart rate, and snore detection
- International Model No Warranty in the US. ONLY compatible with Android devices. Samsung Pay - Not Supported. NOT compatible with iPhone or iOS devices.
Rank #4
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- WHY GALAXY WATCH8 CLASSIC: Timeless design.* New lug system for easy band detachment & replacement.* Advanced health & sleep tracking features for total body wellness.* Improved user interface.* Personal AI assistant for hands free help.¹* 2-Yr Warranty
- BUILT TO PERFORM. DESIGNED TO IMPRESS: Show off your style with an iconic design that blends tradition with cutting-edge innovation.¹ A brighter screen makes everything easy to see, and a rotating bezel gives you access to your favorite apps
- YOUR EVERY COMMAND, RIGHT ON YOUR WRIST: Get a little extra help with day-to-day tasks. Galaxy Watch 8 Classic features a personal AI assistant¹ that helps you get things done hands-free. Simply speak the command and your Watch makes it happen
- UNLOCK THE SECRETS TO BETTER SLEEP: When you get good sleep, it feels like anything is possible. Start each day with more energy and better focus using Advanced Sleep Coaching² - improved with even more ways to help you sleep smarter
- QUICK UPDATES, AT A GLANCE: Get updates, select apps and more with Now Bar³,⁴ and an improved user experience. Now Bar conveniently puts the info you use the most - like weather, news and more - right on your main Watch screen
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