At Kinsa, we take accuracy seriously. After all, what good is taking a measurement if that measurement is unreliable?
We designed our thermometers for maximum accuracy around human body temperatures:
- Between 95 °F and 107.6 °F
- Between 35 °C and 42 °C
For the Kinsa Smart Stick, you can expect accuracy to be within ±0.2 °F (±0.1 °C) for the ranges above.
In order to ensure an accurate reading, we recommend you avoid eating or drinking any liquids, exercising, taking showers or baths, or smoking for 15 minutes prior to use, as these activities can cause mild elevations in temperature. (Please reference our super helpful instructional videos for additional tips on how to take temperatures accurately!)
For the Kinsa Smart Ear, you can expect accuracy to be within ±0.4 °F (±0.2 °C) for the ranges above.
The Kinsa Smart Ear uses an infrared ray to measure the temperature inside the ear, and so earwax or a small, curved ear canal can interfere with the accuracy of a temperature reading.
- For infants under the age of 1, gently tug the ear straight back to straighten the ear canal before taking a temperature reading.
- For children over the age of 1 and adults, gently tug the ear straight up and back.
All Kinsa thermometers have been cleared by the U.S. Food and Drug Administration and meet ASTM standards for professional accuracy. For details about accuracy standards, please see the instructions that came with your Kinsa, which are also available here in PDF format.
Also, take note that a person’s temperature can fluctuate significantly depending upon the placement of the thermometer and the time of day. Consult your doctor or pediatrician for advice about how to calculate a normal, baseline temperature while you’re well. You can use that to evaluate whether temperatures you see are different than the norm.