Calorie Counting Guide: Intake for Muscle & Weight Loss

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.

Young smiling female holding a weight scale and an apple

How Many Calories Should You Eat to Weigh 140 Pounds?

Different people need different amounts of calories to maintain a healthy weight. Calories help fuel the body and prevent it from burning stored fat for basic functions. When you eat the proper amount of calories, your body functions efficiently and you neither lose nor gain weight.

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