Google Pixel 8 Pro’s Temperature Sensor: Accurate Body Temperature Measurement

The Google Pixel 8 Pro smartphone features a built-in thermometer that can now accurately measure body temperature, having received FDA clearance. This innovative feature distinguishes the Pixel 8 Pro as the first smartphone in the US to attain the FDA De Novo classification for its thermometer.

Key Points

  • The Pixel 8 Pro’s thermometer scans the temporal artery using an infrared sensor, and an algorithm calculates the final body temperature.
  • The smartphone’s thermometer delivers a ±0.3°C error margin in the temperature range of 96.9°F – 104°F (36.1°C – 40°C) compared to an FDA-cleared temporal artery thermometer.
  • Functional without an internet connection, the Pixel 8 Pro provides haptic feedback and audio instructions for accurate temperature measurement.
  • Google plans to extend the temperature measurement feature to its upcoming Pixel 9 smartphone.

Reflected in a post on The Keyword blog, the Pixel 8 Pro’s body temperature measuring capability has been detailed by Google. Ravi Narasimhan, a research and development technical lead at Google, originated a miniaturized device with an infrared sensor for body temperature measurements, evolving into a key feature of the Pixel phone.

The Science Behind It

Google states that the Pixel 8 Pro’s temperature sensor measures body temperature by scanning the temporal artery using an infrared sensor, with subsequent data processed by an algorithm. According to the company, this method proves more accurate than traditional forehead thermometers, as the Pixel 8 Pro’s thermometer calculates the temperature based on sweeping the phone across the forehead and past the temporal artery.

FDA Clearance and Recognition

Google’s temperature measuring software algorithm exhibited a ±0.3°C margin of error within the 96.9°F – 104°F range, leading to the thermometer’s FDA De Novo classification based on a clinical validation study conducted with a large participant pool. The smartphone utilizes its LDAF sensor for accurate placement in temperature measurement, delivering haptic feedback and audio inputs for user guidance, all while functioning offline.

Future Expansions

Given the sensor’s high accuracy, Google intends to retain and potentially expand this feature to its upcoming Pixel 9 smartphone, solidifying its commitment to leveraging advanced technology for health and wellness monitoring through mobile devices.


Can the Pixel 8 Pro measure body temperature accurately?

Yes, Google’s Pixel 8 Pro thermometer has achieved FDA clearance and exhibits an accuracy of ±0.3°C in the range of 96.9°F – 104°F, surpassing the performance of traditional forehead thermometers.

Does the Pixel 8 Pro’s temperature sensor require an internet connection to function?

No, the temperature measurement feature on the Pixel 8 Pro operates without an internet connection.

What guidance does the Pixel 8 Pro provide for accurate temperature measurement?

The smartphone offers haptic feedback and audio instructions to aid users in accurately measuring body temperature using its built-in thermometer.

Will the body temperature measuring feature be extended to the Pixel 9 smartphone?

Yes, Google plans to expand the temperature measuring feature to its upcoming Pixel 9 smartphone.


Google’s innovation with the Pixel 8 Pro’s built-in thermometer sets a new standard in smartphone health technology. With FDA clearance and high accuracy, the thermometer reflects Google’s commitment to integrating advanced health monitoring capabilities into its flagship devices. The expansion of this feature to the Pixel 9 demonstrates the company’s dedication to leveraging cutting-edge technology for the benefit of its users.

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