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Harris-Benedict Equation for UK Females (NHS):
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The Harris-Benedict equation estimates Basal Metabolic Rate (BMR) - the number of calories your body needs at rest to maintain basic physiological functions. This specific version is calibrated for UK females as recommended by the NHS.
The calculator uses the Harris-Benedict equation for UK females:
Where:
Explanation: The equation calculates the minimum energy required to sustain vital functions while at complete rest, accounting for weight, height, and age factors specific to females.
Details: Understanding your BMR is essential for creating effective weight management plans, determining daily caloric needs, and establishing appropriate nutritional guidelines for maintaining, losing, or gaining weight.
Tips: Enter your current weight in kilograms, height in centimeters, and age in years. All values must be valid positive numbers. For accurate results, use recent measurements.
Q1: What is the difference between BMR and TDEE?
A: BMR represents calories burned at complete rest, while TDEE (Total Daily Energy Expenditure) includes all daily activities and exercise.
Q2: How often should I recalculate my BMR?
A: Recalculate whenever your weight changes significantly (±2-3 kg) or annually as age affects metabolic rate.
Q3: Why are there different equations for males and females?
A: Men typically have more muscle mass and higher metabolic rates, requiring different coefficients in the calculation.
Q4: How accurate is the Harris-Benedict equation?
A: It provides a good estimate for most people but may be less accurate for extremely muscular or obese individuals.
Q5: Can I use this BMR value for weight loss planning?
A: Yes, this BMR serves as the foundation for calculating your total daily calorie needs when combined with your activity level.