Kelvin to °Fahrenheit

+273.15 * 1.8 + 32

Kelvin to °Centigrade

+273.15

Kelvin to Reaumur

+273.15 * 1.25

°Centigrade to °Fahrenheit

* 1.8 + 32

°Centigrade to Kelvin

- 273.15

°Centigrade to Reaumur

* 1.25

°Fahrenheit to °Centigrade

-32  / 1.8

°Fahrenheit to Kelvin

-32  / 1.8 - 273.15

°Fahrenheit to Reaumur

-32 / 1.25

Reaumur to °Centigrade

* 1.25

Reaumur to Kelvin

* 1.25 - 273.15 

Reaumur to °Fahrenheit

* 1.25  / 1.8 + 32