How to Measure Blood Oxygen Level on Samsung Galaxy Watch 3

Discover how to use your Galaxy Watch 3 to monitor blood oxygen levels with the Samsung Health app. Includes setup steps, accuracy tips, and troubleshooting for reliable readings.

To measure your blood oxygen level on the Samsung Galaxy Watch 3, open the Samsung Health app, navigate to the Blood Oxygen feature, and follow the on-screen instructions. This feature uses photoplethysmography (PPG) technology to estimate oxygen saturation in your blood, providing insights into your respiratory health and fitness. Note that the Galaxy Watch 3 is designed for wellness tracking and is not a medical device.

1. How to Measure Blood Oxygen on Galaxy Watch 3

Follow these steps to measure your blood oxygen level:

1. Open the Samsung Health app on your Galaxy Watch 3.
2. Tap on the "Blood Oxygen" option.
3. Ensure your watch is snugly fitted on your wrist, covering the green sensor on the back of the watch.
4. Stay still and avoid moving or talking during the measurement.
5. Wait for the measurement to complete, which typically takes about 30 seconds.
6. Review your results in the app, which will display your estimated blood oxygen level.

2. Tips for Accurate Blood Oxygen Measurements

For the most accurate readings, consider the following:

- Ensure your watch is worn snugly on your wrist, covering the green sensor on the back of the watch.

- Avoid moving, talking, or exercising during the measurement process.

- Place the watch on the top of your wrist, not the underside or against your bone.

- Warm your wrist by rubbing it gently if your hands and arms are cold.

- Rest for at least 5 minutes before taking a measurement for more reliable results.

3. Supported Samsung Galaxy Devices

The blood oxygen measurement feature is available on the following Samsung Galaxy devices:

- Galaxy Watch 3

- Galaxy Watch 4

- Galaxy Watch 5

- Galaxy Watch 6

4. Why Blood Oxygen Measurements May Be Inaccurate

Several factors can affect the accuracy of your blood oxygen measurements:

- Loose or improper fit of the watch on your wrist.

- Movement or activity during the measurement process.

- Cold skin or poor circulation.

- Low battery levels on your watch.

5. Adding Blood Oxygen as a Widget

To quickly access the Blood Oxygen feature, you can add it as a widget:

1. Open the Galaxy Wearable app on your smartphone.
2. Swipe to and tap "Widgets."
3. Swipe to "Add widgets" and tap the Plus icon next to the Blood Oxygen widget.
4. Reorder widgets by tapping and holding the Arrow icons and dragging the widget to your preferred position.

6. Related Samsung Support Topics

- How to pair your Galaxy Watch 3 with your smartphone.

- How to use the Samsung Health app for fitness tracking.

- Troubleshooting Galaxy Watch 3 connectivity issues.