Needs for Women (18+)
Calorie Needs for Women
How many calories you need depends on various factors, including height, total body weight, ratio of fat to muscle, age, gender, genes and physical exercise. (Plus illness, pregnancy etc.) But usually, a woman's calorie needs can be reasonably accurately assessed by focusing on two calorie components. Basal Metabolic Rate (BMR) and physical exercise.
Calorie Needs for Women and Basal Metabolic Rate
Basal Metabolic Rate is a short way of saying: "the amount of energy (calories) you need to keep your body functioning while at rest." A body needs a minimum number of calories to maintain the millions of chemical reactions which keep eyes, lungs, heart, liver, kidneys etc. in healthy working order. This is your Basal Metabolic Rate. Over half the calories needed by most women fuel these basic bodily functions.
Calorie Needs for Women and Exercise
The second major calorie-needs component is physical activity. The more exercise you take, the more calories you need.
Calorie Needs for Women - Weight Maintenance and Weight Gain
When you have determined your total daily calorie needs, this will be the number of calories required to maintain your weight. If you want to lose weight, (e.g. one pound per week), you should consume 3,500 calories less, per week. (Or, consume 2,000 fewer calories and burn an extra 1,500 calories by taking extra exercise.) This is because one pound of weight is equal to 3,500 calories. To gain one pound of weight, increase your calorie intake by 3,500 calories.
Drawback of Harris-Benedict Calorie Needs Formula
The only calorie variable which the Harris-Benedict formula does not take into consideration is lean body mass. Therefore, this equation will be accurate for most women except the extremely muscular (these women need more calories) and the extremely fat (these women need fewer calories).
The Harris Benedict Calorie Needs Formula for Women
Automatic Calorie Needs Calculator
To calculate your calorie needs, click CALORIE NEEDS FOR WOMEN (18+)
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