How to Calculate Celsius to Fahrenheit

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How to Calculate Celsius to Fahrenheit
Some thermometers have both Celsius and Fahrenheit scales. (thermometer image by Alison Bowden from

Temperature is measured in degrees, but the scale on which it is measured varies. In the United States, temperature is commonly represented on the Fahrenheit scale. On this scale, water freezes at 0 degrees C and boils at 100 degrees C. The Celsius scale is widely used in the majority of other countries in the world. On the Celsium scale, water freezes at 0 and boils at 37.8 degrees C. You can easily convert Celsius to Fahrenheit with a calculator.

Skill level:

Things you need

  • Thermometer with Celsius scale
  • Calculator

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  1. 1

    Read the temperature on a Celsius thermometer. For example, let's say the temperature is 43.7 Celsius.

  2. 2

    Divide the Celsius temperature by five, and then multiply by nine. In our example, it will be (43.7 / 5) x 9 = 78.66.

  3. 3

    Calculate the temperature in Fahrenheit by adding 32 to the value obtained in the previous step. In our example, 78.66 + 32 = 43.7C.

Tips and warnings

  • Refer to the quick reference chart offered by The TexLoc Closet ( to quickly find the Fahrenheit equivalent of any Celsius temperature.

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