Answer :
Final answer:
To calculate your estimated energy needs, convert your weight to kilograms and multiply by the caloric intake range (25-35 calories/kg). The calculated calorie range is your estimated daily energy requirement. Comparing this to your actual caloric intake can help you maintain a healthy weight.
Explanation:
To calculate your estimated energy needs, first convert your weight from pounds to kilograms. Since 1 pound is roughly 0.45 kilograms, your weight of 159 pounds equals 159 * 0.45 = 71.55 kg. Next, use the formula of 25-35 calories per kg of body weight to calculate your energy needs. For the lower end of the range, 25 calories/kg * 71.55 kg = 1788.75 calories. For the higher end, 35 calories/kg * 71.55 kg = 2504.25 calories. So, your estimated daily energy requirement is between 1789 and 2504 calories. Comparing this to your actual calories consumed will let you know if you're eating too much or too little.
As a reminder, 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. Also, maintaining an ideal body weight is a straightforward matter of thermochemistry-pure and simple.
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