Final answer:
0.5 kilocalorie (1 lb) of body fat is equivalent to approximately 1,750 calories.
Step-by-step explanation:
When your body works, it uses calories provided by the diet as its energy source. If we eat more calories than our body uses, we gain weight-about 1 lb of weight for every additional 3,500 Cal we ingest. Similarly, if we want to lose weight, we need to expend an extra 3,500 Cal than we ingest to lose 1 lb of weight.
So, to determine the kilocalorie equivalent of 0.5 kilocalorie (1 lb) of body fat, we can use the fact that gaining or losing 1 lb of weight requires consuming or expending 3,500 calories, respectively. Therefore, 0.5 kilocalorie of body fat is equivalent to approximately 1,750 calories.