Convert a recipe into calories

To figure out (acurately) how many calories are in a recipe, you need to first break down all the ingredients. This included the whole ingredients (like pasta, chicken, or what you eat), along with sauces and additions like butter and oil. Then, figure out the amount, weight, serving, size, ect. of each of the ingredients. From your own knowledge, books, or online research, then find the calorie count for each ingredient and apply it to the amount that yu have in the recipe. Finally, add all fo the calories together and you have the calorie count for the whole recipe.