;
, Beside the serving size, you will find the weight of the serving in grams.
 The number of calories in each serving is the top line under “Amount per Serving.”

, For instance, if your food has 160 calories per serving, and one serving equals 98 grams, then 160 divided by 98 equals about 1.6, which is your calorie density.
Find the label on the back of your food package.
Find the serving size of the food.
Look for the number of calories per serving.
Divide the number of calories per serving by the number of grams in one serving.
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