For example, a temperature of 30º Celsius corresponds to 303 K. (30ºC + 273 = 303K)
To convert temperatures from Kelvin to Celsius, you subtract 273 from the Kelvin temperature. K - 273 = ºC
For example, a temperature of 450 Kelvins corresponds to 177ºC. (450 K - 273 = 177ºC)