How accurate are Kinsa thermometers?

We take accuracy seriously.

Kinsa stands behind each and every thermometer we make. There’s never a “good time” for a thermometer to not work properly. Both our Smart Ear, QuickCare, and QuickScan thermometers are FDA-cleared for safety & accuracy. 

  • The Kinsa QuickCare thermometer has an accuracy range of 0.4° Fahrenheit. 
  • The Kinsa Smart Ear has an accuracy range of 0.8° Fahrenheit.

Questions about your temperate reading?

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Problems with your QuickCare's accuracy?

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Problems with your Smart Ear's accuracy?

Most common Smart Ear problems can be solved by thoroughly reviewing and watching the video in


How do digital thermometers take measurements?
Typical fever thermometers like ours measure to the tenth place of a degree. Kinsa thermometers aren't designed to measure within a hundredth of a degree, as per this guide: Can Kinsa Thermometers be Used for BBT Tracking?