Americaâs 50 Coldest Cities. The lowest temperature ever recorded in the United States was -80 degrees Fahrenheit in Prospect Creek, Alaska. While temperatures near this extreme only rarely occur, millions of Americans live in cities with brutally cold winters and heavy snowfall.
Thus, converting from one metric unit to another is always accomplished by multiplying or dividing your initial measurement by the appropriate power of ten. Look at the arrow you've drawn from the units you have-the units your measurement has been taken in-to the units you want to convert to.
Speed Units Converter. Speed Units Converter is online conversion calculator that allows you to convert units of speed between various measurement systems. You can easily convert meters per second to kilometers per hour (mp/s to km/h), miles per hour to kilometers per hour (mph to km/h), feet per second to miles per hour (fps to mph).