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To calibrate blood pressure on a Samsung Galaxy Watch, use Samsung Health Monitor on your phone and a separate upper-arm blood pressure cuff. The process pairs three cuff readings with watch readings; complete all three within 30 minutes, with the cuff on one arm and the watch on the opposite wrist. Samsung requires recalibration every 28 days.
Before you start
Check that Samsung Health Monitor and the blood-pressure feature are available in your country or region, and confirm that your phone and watch meet local requirements. Samsung’s US support guide specifies a Galaxy smartwatch running Wear OS 4.0 or later and a phone running Android 12 or later. Samsung’s US app page describes support for Galaxy Watch4 and later, excluding Galaxy Fit; availability and compatibility can differ by market and device. See Samsung’s US setup and calibration guide and Samsung Health Monitor’s US app page.
- A separate upper-arm cuff-based blood pressure monitor is required; Samsung says it is sold separately.
- Wear the watch snugly on the wrist opposite the arm with the cuff. Samsung’s instructions specify opposite-arm placement.
- Keep your phone nearby so you can follow the prompts and enter the cuff results.
Samsung’s guidance does not establish that every cuff works for every user or identify a universally compatible or Samsung-endorsed cuff model. Choose a cuff that fits your arm and follow its manufacturer’s instructions.
Prepare for accurate calibration
Samsung’s US guidance recommends avoiding smoking, bathing, exercise, alcohol, and caffeine for 30 minutes before measuring. Make sure your arm and wrist are dry. Sit indoors in a quiet place with your back supported, feet flat and legs uncrossed, and forearms resting on a table. Rest for at least five minutes before you begin.
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Calibrate the watch
- Put the cuff on one upper arm and the watch on the wrist of your other arm. Keep the phone close.
- Open Samsung Health Monitor on your phone, select Blood pressure, then choose Calibrate the watch. Follow the on-screen instructions. Labels can vary by region or app version.
- When prompted, take a cuff reading. The watch measurement starts automatically. Keep still, do not talk or move the cuff arm during the cuff reading, and breathe normally.
- Enter the cuff result in the app when asked.
- Repeat the paired cuff-and-watch measurement until you have completed three readings in total. Finish all three within 30 minutes of the first calibration measurement.
Samsung’s December 2024 Indonesia instructions for use specify three measurements, opposite-arm placement, and the 30-minute limit. When calibration is complete, the watch is ready for watch-based blood-pressure measurements until the next calibration is due.
When to recalibrate
Recalibrate every 28 days. Samsung Australia says blood-pressure measurement becomes unavailable when that period expires. That support page also describes an option to recalibrate early from the Blood Pressure History screen menu; this interface detail is specific to Samsung Australia and may not appear in other regions. See Samsung Australia’s recalibration instructions.
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What the readings can—and cannot—tell you
Calibration does not make the watch a substitute for medical care. Samsung states: “The blood pressure function is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment or prevention of disease.” If you have medical questions or concerns, consult a physician. Read Samsung’s full US support guidance for its warning and setup details.
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- 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.
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