Temperature Conversion (Celsius, Fahrenheit)

The degree converter

The degree converter °C to °F and vice versa is easy to use. Just enter the temperature in Celsius or Fahrenheit for a free instant conversion.

Formula to convert degrees Celsius and fahrenheit

Convert Celsius to fahrenheit by using this formula: Celsius * 9/5 + 32.

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To convert Fahrenheit to Celsius the equation would be: (Fahrenheit – 32) * 5/9;

About degree Fahrenheit

Daniel Gabriel Fahrenheit, a German physicist and inventor, created the Fahrenheit scale in 1724. He determined that water lightly formed ice at 30 degrees and mercury boiled at close to 300 degrees, which he used as the basis for his unit of measurement.

This temperature scale was the primary standard until 1960 when the Celsius took his place in nearly all countries. Get more information about Fahrenheit on Wikipedia.

History of degree Celsius

The unit degree Celsius was admitted in 1948, until then used as centigrade temperature scale since 1742. The ebullition and the freezing point was originally inverted until Jean-Pierre Christin changed it in 1743. The physicist and astronomer Anders Celsius of Sweden was the inventor of that centigrade scale that considered 0 as the point temperature of boiling water and 100 as the temperature of freezing.

Fever and body temperature norms

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The normal human body temperature taken with a thermometer in the mouth (or basal body temperature) is 37 ° C or 98.6 ° F. This same average temperature taken in the rectum is higher than in the mouth, higher by a scale of 0.5 degree Celsius or +/- 1 degree Fahrenheit (0.9 degree to be exact).

When the temperature measured in the mouth rises above 37.5 degrees Celsius (or 99.5 ° F), 38 degrees Celsius (100.4 ° F) in the rectum, it can be considered fever.

When the fever reaches 40 ° C or 104 ° F, it is considered a major health problem

Should you write celsius or celcius?

It’s well known that celsius is often misspelled “celcius”, but it’s only a typo. n fact, this unit was named after the name of the scientist Anders Celsius the correct spelling is Celsius. It’s only a repetition of the first letter “C” that result in this error.

Special Fact

The conversion of -40, or minus 40 from Celsius to Farenheit gives exactly the same result, -40.

Chart of normal temperature changes in humans body

From the lowest thermometer reading to the highest with the description of the human body part where the thermometer is used.

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Body part Normal variation of temperature (Celsius and Fahrenheit) Mouth 35.5 °C to 37.5 °C (95.9 °F to 99.5 °F) Under armpit (or axillary) 36.5 °C to 37.5 °C (97.8 °F to 99.5 °F) Ear (tympanic) 35.8 °C to 38.0 °C (96.4 °F to 100.4 °F) Rectum (or rectal) 36.6 °C to 38.0 °C (97.9 °F to 100.4 °F)

Temperature conversion table

Celsius (°C) Fahrenheit (°F) 3595 35,195,18 35,295,36 35,395,54 35,495,72 35,595,9 35,696,08 35,796,26 35,896,44 35,996,62 3696,8 36,196,98 36,297,16 36,397,34 36,497,52 36,597,7 36,697,88 36,798,06 36,898,24 36,998,42 3798,6 37,198,78 37,298,96 37,399,14 37,499,32 37,599,5 37,699,68 37,799,86 37,8100,04 37,9100,22 38100,4 38,1100,58 38,2100,76 38,3100,94 38,4101,12 38,5101,3 38,6101,48 38,7101,66 38,8101,84 38,9102,02 39102,2 39,1102,38 39,2102,56 39,3102,74 39,4102,92 39,5103,1 39,6103,28 39,7103,46 39,8103,64 39,9103,82 40104 40,1104,18 40,2104,36 40,3104,54 40,4104,72 40,5104,9

Temperature conversions, Excel formula

Celsius to Fahrenheit

You have a temperature in Celsius (ex 42 degrees) in A1 in Excel. You want to convert it to Fahrenheit in B1 rounded to 2 decimals.

Cell B1: =ROUND(A1*9/5+32, 2) Cell B1: = 109.40

Fahrenheit to Celsius

Enter a degree in Fahrenheit (ex 100) in case A1 in Excel. You want to get the make the conversion of Celsius in B1 rounded to 2 decimals.

Cell B1: =ROUND((A1 – 32) * 5/9, 2) Cell B1: = 37.78

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