Calculation kcal into kWh 19. September 2019 Nathan-Zwick M17a Zurich (0) I chose a product, which i eat sometimes in the breaks. 1 package of „Blevita choco & sesam“ contains 236 kcal Calculation: 236 kcal : 860.421 = 0.274284 kWh I used this calculator. Nathan Zwick, M17a