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Harris-Benedict Equation for Women:
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The Harris-Benedict Equation is a formula used to estimate basal metabolic rate (BMR), which represents the number of calories your body needs at rest to maintain basic physiological functions. This calculator uses the equation specifically for women.
The calculator uses the Harris-Benedict equation for women:
Where:
Explanation: The equation estimates your basal metabolic rate based on your weight, height, and age, representing the calories your body burns at complete rest.
Details: Knowing your BMR is essential for creating effective weight management plans, whether for weight loss, maintenance, or gain. It serves as the foundation for determining your total daily energy expenditure.
Tips: Enter your weight in kilograms, height in centimeters, and age in years. All values must be valid (weight > 0, height > 0, age between 1-120).
Q1: What is the difference between BMR and TDEE?
A: BMR (Basal Metabolic Rate) represents calories burned at complete rest, while TDEE (Total Daily Energy Expenditure) includes all daily activities and exercise.
Q2: How accurate is the Harris-Benedict equation?
A: While it provides a good estimate for most people, individual variations in metabolism can affect accuracy. It's generally within 10% of measured BMR for about 70% of the population.
Q3: Should I use this equation if I'm very muscular or have high body fat?
A: The equation may be less accurate for extremely muscular individuals or those with very high body fat percentages, as it doesn't account for body composition differences.
Q4: How often should I recalculate my BMR?
A: You should recalculate whenever your weight changes significantly (5+ kg) or annually as you age, since BMR decreases with age.
Q5: Can I use this calculation for weight loss planning?
A: Yes, this calculation forms the basis for determining your daily caloric needs. For weight loss, you would typically create a calorie deficit based on your BMR and activity level.