Four degrees Celsius is 40 Fahrenheit, and 40 Celsius is 104 Fahrenheit. So if you're on vacation and you hear it’s going to be 32 today, you know that that’s more than 28 (82 Fahrenheit) but ...

They also had to convert 15 million historical temperature records from Fahrenheit to Celsius. ... "Of course, it converts to a very awkward 37.78 degrees Celsius, so it loses its magic.

Celsius, Fahrenheit, and Kelvin are three widely used temperature scales, but what sets them apart? Each scale has its own unique properties and is used in different contexts around the world.