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fat content of any food is easy to calculate if you
know the total calories and fat content in grams.
In scientific terms, calorie is an unit of measurement
of the amount of heat it takes to raise the temperature
of 1 gram of water by 1 degree Celsius.
Each gram of fat contains about
9 calories. Each gram of protein and carbohydrate
contains about 4 calories. On a hot dog package, the
label may say that each frank has 170 calories, from
7 grams of protein, 1 gram of carbohydrate, and 15
grams of fat.
Multiply 15 grams of fat by
9 (calories per gram of fat). The result shows that
135 calories come from fat.
Then divide total calories,
which is 170, into fat calories, which is 135. The
result is 0.79.
Multiply by 100. The answer
reveals that 79 percent of the calories in the frank
come from fat.
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