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by Balaji on September 2nd, 2004

Balaji

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What is the difference between Celsius and Fahrenheit? How do you convert temperatures between Celsius and Fahrenheit?

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  • by NH Baritone on September 13th, 2007

    NH Baritone

    EVIL has it correct.

    However, I have a quick & dirty method that I developed.

    Take the Celsius number and double it, then add 30. You will be within a few degrees in the normal air temperature of the tropics to the poles. For example, if the Celsius temperature is 20 degrees., double it to 40 and then add 30, which leads to a Fahrenheit estimate of 70 degrees. The actual converted temperature is 68, which is close enough to determine if you need a sweater.

    Similarly, if the temperature is -15 C., perform the following calculation: (-15x2)+30=0 (0 degrees F.) The real conversion is 5 degrees F.

    The further from Freezing you get, the less accurate, but it's plenty accurate enough if you cant multiply by 1.8 in your head before adding 32.

    To go from F to C, subtract 30 from F, then cut the resulting number in half. The answer is the approximate C temperature.

    Have a pleasant autumn!

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