Absolute Zero (which is 0° Kelvin or -273.15° Celsius or -459.67° Fahrenheit) is known as the Temperature whereat almost all Molecular Motion halts.
The coldest Temperature in "Deep Space" has been given as 2.7° Kelvin or -270.45° Celsius or
-454.81° Fahrenheit.
The coldest recorded Temperature on Earth has been given as 183.95° Kelvin or -89.2° Celsius or
-128.56° Fahrenheit.
The coldest laboratory Temperature reached has been given as 38E-12° Kelvin above 0° Kelvin
or -273.15° Celsius or -459.67° Fahrenheit.
[1.8Celsius] + 32 gives Fahrenheit.
(5/9)×(Fahrenheit−32) gives Celsius.
[1.8Celsius] + 32 + 459.67 gives Rankine.
Celsius + 273.15 gives Kelvin.