Two temperature scales are in common use the meteorology: Fahrenheit and centigrade. The Fahrenheit scale is popular in the United States and Great Britain, but the centigrade scale is used elsewhere.

The United States is among the last bastions in the world who use the old imperial units for measurements -- be it miles instead of kilometers, pounds instead of kilograms, and of course, temperatures ...

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 almost ...