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Formula for Fahrenheit and Celsius Conversions

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Although there are many online temperature converters, it's always helpful to have a knowledge of the actual formula for the conversions.

C is Celsius
F is Fahrenheit C = 5/9 (F-32

F = 9/5 (C+32

Let's try converting 68 degrees Fahrenheit to celsius 5/9(68-32)

Step 1: 68 less 32 is 36
Step 2: 5 divided by 9 is 0.5555555555555
Step 3: multiply the repeating decimal by 36
Step 4: your solution is 20

Now, convert 20 degrees Celsius to Fahrenheit to check your work.

9/5C +32
Step 1: 9 divided by 5 is 1.8
Step 2: 1.8 multiplied by 20 is 36
Step 3: 36 plus 32 = 68

 

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