NHS Calorie Deficit Formula:
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The NHS Calorie Deficit Calculator helps determine your recommended daily calorie intake for safe and sustainable weight loss based on NHS guidelines. It calculates a 500-calorie deficit from your Total Daily Energy Expenditure (TDEE).
The calculator uses the NHS recommended formula:
Where:
Explanation: A 500-calorie daily deficit creates a 3500-calorie weekly deficit, which typically results in about 0.5kg (1lb) of weight loss per week.
Details: Maintaining an appropriate calorie deficit is essential for healthy weight loss. The NHS recommends a gradual approach of 0.5-1kg (1-2lb) per week for sustainable results without compromising nutrition.
Tips: Enter your calculated TDEE value in kcal/day. Ensure you have an accurate TDEE measurement before using this calculator for best results.
Q1: Why 500 calories deficit?
A: A 500-calorie daily deficit creates a sustainable weight loss of about 0.5kg per week, which is recommended by the NHS for healthy, maintainable weight loss.
Q2: How do I calculate my TDEE?
A: TDEE can be calculated using various formulas that consider your basal metabolic rate (BMR) and activity level. Many online calculators are available for this purpose.
Q3: Is this suitable for everyone?
A: While generally safe for most adults, individuals with specific medical conditions should consult a healthcare professional before starting any weight loss program.
Q4: What if I feel hungry on this deficit?
A: Focus on nutrient-dense foods, stay hydrated, and consider spreading your meals throughout the day. The deficit should be manageable without extreme hunger.
Q5: When should I adjust my calorie intake?
A: As you lose weight, your TDEE will decrease. Recalculate your TDEE every 4-6 weeks or after significant weight changes to maintain the appropriate deficit.