Determining how many calories you need depends on your fitness goals, whether you are a marathon runner or a weightlifter. Use intake formulas to calculate your needs for muscle gain or sustainable weight loss.
Several factors can influence the number of calories that a person requires each day. A person's height, weight, medical condition and level of activity directly influence his nutritional needs. Consult a dietitian for help determining your daily ideal calorie intake.
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The calorie needs of a 100-lb. adult vary depending on the person's age, gender, health and level of physical activity. Consult a nutritionist or physician for help when determining the number of calories you need to maintain your weight.
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A 200-lb. adult's calorie needs can vary tremendously depending on his medical condition, level of activity, height and gender. Consult a physician or dietitian for expert advice on managing your personal calorie needs.
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