I wanted to know, how I can convert kcal (kilocalories) or even kJ (kilojoules) to kWh (kilowatt-hours).
To calculate this, I created an Excel-file with the units of energy and below my calculations with two products, which I usually eat for breakfast.
Picture: Energy units and my calculations
First of all, I have searched for the amount of kcal on the packaging from the milk and cereals. Afterward, I inserted the numbers in my Excel-file for the following calculations.
Explanation of the calculations with the cereals:
kcal in kJ
213 kcal x 4.1868 = 891.79 kJ
kcal to kWh
213 kcal x 0.001163 = 0.2477 kWh
It would be the same number in kWh, if I convert it from kJ (to kWh).
kJ to kWh
891.79 x 0.000278 = 0.2477 kWh
I found it very interesting to see how much energy (kWh) is "in" my breakfast and how I can calculate this by myself.
Picture: My everyday breakfast
Links for more information
Unit converter (www.iea.org)
Energy fundamentals (home.uni-leipzig.de)
Author M17a
Noémie Käser