TempConvert.kelvin_to_celsius 100 #=> -173.15
TempConvert.kelvin_to_fahrenheit 100 #=> -279.67
TempConvert.kelvin_to_rankine 100 #=> 180.0
TempConvert.kelvin_to_delisle 100 #=> 409.73
TempConvert.kelvin_to_newton 100 #=> -57.14
TempConvert.kelvin_to_reaumur 100 #=> -138.52
TempConvert.kelvin_to_roemer 100 #=> -83.4

TempConvert.newton_to_celsius 100 #=> 303.03
TempConvert.newton_to_fahrenheit 100 #=> 577.45
# All 64 combinations possible