![]() 5/9 is always a Fraction while 9/5 is also a fraction, in this form, it is Clearly a whole number plus a fraction (1 and 4/5). (for Fahrenheit) begins with the same letter as Fraction. To remember whether to use 5/9 or 9/5 when converting from Fahrenheit to Celsius or Celsius to Fahrenheit, just simply remember, F Then, always subtract out the 40 you justĪdded to yield the final result. Next, multiply by 5/9 or 9/5 just like the first method. No matter which direction you want to covert, Fahrenheit to Celsius or Celsius to Fahrenheit, always first add 40 to the number. Then add 32 to 180 and get the final converted result of 212 degrees on the Fahrenheit scale.īelow is another accepted conversion method that works just as well and perhaps might be easier to remember. Using the stated formula, you first multiply the Celsius scale temperature reading by nine-fifths and get a result of 180. ![]() Tf = (9/5)*Tc+32 Tc = temperature in degrees Celsius, Tf = temperature in degrees FahrenheitĪssume that you have a Celsius scale temperature of 100 degrees and you wish to convert it into degrees on the Fahrenheit scale. Then you multiply 66.6 by five-ninthsĪnd get the converted value of 37 degrees Celsius.īelow is the formula to convert a Celsius scale temperature into degrees on the Fahrenheit scale. Using the above formula, you would first subtract 32 from the Fahrenheit temperature and get 66.6 as a result. Tc = (5/9)*(Tf-32) Tc = temperature in degrees Celsius, Tf = temperature in degrees Fahrenheitįor example, suppose you have a Fahrenheit temperature of 98.6 degrees and you wanted to convert it into degrees on the Celsius scale. subtraction, + addition and = is equal. In the formulas below, / represents division, * represents multiplication, This converter requires the use of Javascript enabled and capable browsers. The formulas can teach the process and the converter will make your life easier. We have also created a converter for your use. We have created a listing of the formulas needed to convert temperature to and from both Celsius ( commonly misspelled celcius ) and Fahrenheit ( commonly misspelled Farenheit ). How to Convert from Celsius to Fahrenheit Defaults are for freezing in both scales. Press the Reset button to clear any values in both boxes and reset them to the defaults of freezing. While you may use decimal input, the final result will be rounded to a maximum of 18 decimal places. The converted temperature for the other scale will appear in that box. This one is Celsius first, while the original is Celsius last. We have reversed the entry so as not to confuse the two calculators. This uses an adaptation of the formula to do the conversion but as you will see, provides decimal accuracy. Press the Reset button to clear any values in both boxes and reset them to the defaults of freezing.Ĭelsius to Fahrenheit Conversion (Precise)Įnter a number representing a temperature in either the Celsius box or the Fahrenheit box and click on the Calculate button (or anywhere else other than the data field). If you wish to have more accuracy to decimal places, try the Version 2 below this converter. While you may use decimal input, the final result will be rounded to whole numbers. Subtract 32 from the Fahrenheit temperature.Ĭlick here for a temperature-conversion chart for temperatures ranging from -40 C (which happens to be -40 F) to 50 C (122 F).Enter a number representing a temperature in either the Celsius box or the Fahrenheit box and click on the Calculate button. To convert Fahrenheit temperatures into Celsius (the operations are opposite, in reverse order):ġ. To convert Celsius temperatures into Fahrenheit:ġ. When converting Celsius to Fahrenheit, it helps to know that, at standard atmosphere, on the Celsius scale, water freezes at 0 degrees, equal to 32 degrees Fahrenheit and water boils at 100 C (or 212 F). NSF - OLPA - Fact Sheet: Temperature Conversion
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