These are going to be in no particular order, but will just be links to posts we think might be useful to the average traveler.
Fahrenheit to Celsius Converter (and Vice Versa). If you are anywhere in the world, except for the U.S., the Bahamas, Belize, the Cayman Islands, and Palau, you are going to see temperatures recorded in Celsius, not Fahrenheit (actually, Canada uses both). This post contains a chart for a small range of temperature, plus a converter for the in between and out of that range numbers.
…more to come later.