Multiple choice 100 degree Celsius corresponds to ____ K 373 378 381 383 Reveal answer Fill a bubble to check yourself A Correct answer Explanation To convert Celsius to Kelvin, add 273.15. 100 + 273.15 = 373.15 K. Rounded to the nearest whole number, this is 373 K. Kelvin is the SI unit of thermodynamic temperature where 0 K is absolute zero.