At the moment I’m in Bournemouth for a language stay. Here I love to eat Doritos Chips.
I calculate the Kj to kWh from this Doritos:

Information:
1 kcal = 4.1868 Kj
1 kJ = 0.001163 kWh
Calculation of my Doritos:
198 kcal = 828.9864 kJ
828.9864 kJ = 0.96411118 kWh
For the calculation I used:
Energy Calculation
I advise you to try these chips too. Enjoy your meal.
Rainy greetings from Bournemouth!
Vanessa