I'm sorry, but the only two words I know that begin with an F and contain "hre" in this order are Fahrenheit and Fuhrer.
Also, C for Common Sense, as in "Using the metric system is kind of common sense, because 1 calorie is the energy needed for heating up 1 liter (i.e. one cubed decimeter) of water by 1 degree Celsius, and if you want to convert it to the imperial system, Godspeed".
You know what else starts with c? Capitalism, and let's face it, that coup be even worse... Peace out Americans, do not call us when your system collapses or a new civil war explodes
Also, C for Common Sense, as in "Using the metric system is kind of common sense, because 1 calorie is the energy needed for heating up 1 liter (i.e. one cubed decimeter) of water by 1 degree Celsius, and if you want to convert it to the imperial system, Godspeed".
(293°K = 20°C, ??°F)