Since almost the whole world uses Celsius except the U.S. and its territories (plus a handful of countries with deep ties to the U.S.), you’re bound to run into this problem eventually.

Let's say it's 10 degrees Celsius outside. We want to know what that is in Fahrenheit. So, we use the formula: °F = (10 × 1.8) + 32 First, we multiply 10 by 1.8, which gives us 18. Then, we add ...

The boiling point of water is 212 degrees Fahrenheit or 100 degrees Celsius at sea level. That means in most places this is the temperatures of boiled water. However, as you rise above sea level ...