To convert Fahrenheit to Celsius: (degrees in Fahrenheight - 32) * 0.55. If it helps, 1.8 is equivalent to 9/5, and .55 is 5/9. I used the decimals here because we all carry calculators now.

Conversion between the two systems isn’t hard, but it does require some thought, and you won’t always be able to do it in your head. When converting Celsius to Fahrenheit, the formula is: (°C ...

Every once in a while, you may see a temperature in Celsius instead of Fahrenheit. Your car thermometer may revert to the wrong system and you don’t know how to change it, for example. Since ...

To convert from Fahrenheit to Celsius, simply subtract 32 and multiply by 0.5556 (or 5/9). Example: (75F - 32) x 0.5556 = 23.6C To convert from Celsius to Fahrenheit, just multiply by 1.8 (or 9/5 ...

In order to convert degrees Fahrenheit into Celsius, first, take the °F temperature and subtract 32. Multiply the number you are left with by five, then divide the number by nine.

To learn about the history of Fahrenheit and Celsius, and to see how the imperial system is more than just a nuisance for people visiting the U.S., check out Vox’s full report below. [h/t Vox ...