Celcius / Kelvin Question

[mrchem]

1 Celsius= 274.15kelvin Right

So 274.15+274.15=548.30 Kelvin(2 Celsius)

But
2 Celsius Is= 273.15 Im Confused Help

[gerard.barrett]

1 Celsius= 273.15 K
Where you are going wrong is that it is not a multiplication equation. it is addition.
thereby, 2 Celsius is 274.15K
to convert Celsius to kelvin you must add 273.15 to the value of your celsius.