The result of your conversion between calorie [I.T.] and petawatthour appears here
To convert between Calorie [I.T.] and Petawatthour you have to do the following:
First divide 4.1868 / 3.6e+18 = 0.
Then multiply the amount of Calorie [I.T.] you want to convert to Petawatthour, use the chart below to guide you.
Symbol: cal
No description
Symbol: PWh
No description