How to Calculate Kcal | Healthfully
healthfully.com › calculate-kcal-4966541Jul 27, 2017 · Find how many total fat grams there are. Multiply this number by nine. This is the amount of fat kcals. in the food. Add the amounts of kcals in carbohydrates, fats, and proteins together for a total kcal count. To find the percentage of an individual component, divide the amount of kcals by the total kcal count.