The relationship between K and C is K = C + 273;
or C = K - 273
Using the second equation, the equivalent temperature in C can be calculated as follows:
1a. 273K = 273-273 = 0C
b. 373K = 373-273 = 100C
c. 0K = 0-273 = -273C
d 80K = 80-273 = -193C
Using the first equation, the equivalent temperature in K:
2a. 273C = 273+273 = 546K
b. 373C = 373+273 = 646K
c. 0C = 0+273 = 273K
d. 80C = 80+273 = 353K