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How to Change Digital Thermometer from Celsius to Fahrenheit?

ByJoe Horner 2020-04-23 103435

With the global outbreak of COVID-19 coronavirus, there is an increasing demand for KN95, N95 masks and electronic thermometers. Most of these epidemic prevention materials come from China, such as various thermometers, frontal temperature guns, ear temperature guns and so on. The default display unit of most of these electronic thermometers is Celsius. For users in some European and American countries, Fahrenheit is their more commonly used unit. So how to change the electronic thermometer from Celsius to Fahrenheit? In this post, you’ll share with you some tricks to change the thermometer form C to F.

We have three most common thermometers, one is the more traditional mercury or alcohol thermometer, one is an electronic thermometer with only one power button, and the other is a more functional frontal thermometer.

Method 1 to Change  Mercury Thermometer from  ℃ to

If you have an old-style thermometer made with mercury have 2 temperature scales on either side of the tube with mercury in it. One side is shown with Celsius, and the other side is shown with Fahrenheit so you can read whatever scale you want.

However, if your mercury thermometer only one temperature scale, you can convent a reading in Celsius to Fahrenheit by the formula below:





Method 2 to Change Digital Thermometer from  ℃ to

If you have a digital thermometer with one power button, and your digital thermometer is capable of producing readings for multiple units of measure, like the Vicks thermometer or Omron digital thermometer. Please follow the directions below:


Step 1: Make sure the thermometer is off.


Step 2: Press and hold the power button, and after about 5-7 seconds, the display screen will come back in turn: “/SET, /SET”.


Step 3: Release the power button as soon as the desired temperature unit appears on the display screen. After adjusting once, the next boot still maintains your current setting, that is, as long as it is adjusted to degrees Celsius once, it will always be degrees Celsius, unless you re-adjust it.

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Method 3 to Change Digital Thermometer from  ℃ to

If you have an electronic thermometer or frontal thermometer with more functions, you will usually have a "MODE" key or "/" key above the thermometer.

Give it a short press, and the display toggles between F and C (The display also shows the label ℃ or so you can tell what it’s displaying). Do it again, and it will switches back.

Method 4 to Change Infrared Thermometer from  to

If you have a Beurer IR thermometer or other infrared thermometer, you can perform the steps below to change the unit from Celsius to Fahrenheit.


Step 1: The default temperature unit of the infrared thermometer is Celsius . The display screen also includes battery power, laser positioning information, and so on.


Step 2: On the side of the infrared thermometer, you can see that there is a groove here.


Step 3: Push hard to the right with your hand or screwdriver to open it.


Step 4: When you open it, you will see that there is a temperature selection switch on top of the battery compartment: or Fahrenheit.

Step 5: Turn the switch to the position of "F" to set the temperature display unit to Fahrenheit.


Step 6: Then, after closing the battery cover, you can see that the temperature has been switched to Fahrenheit on the display screen.


These are the top 4 common ways to convert a thermometer from Celsius to Fahrenheit. If you are using an electronic thermometer, make sure it supports the conversion of temperature units before using it. If the multi-unit display is not supported, the above methods may not work.

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