Calorie Deficit Formula:
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A calorie deficit occurs when you consume fewer calories than your body expends. It's the fundamental principle behind weight loss, as your body must use stored energy (fat) to make up for the energy shortfall.
The calculator uses the simple formula:
Where:
Explanation: A positive result indicates a deficit (weight loss), zero indicates maintenance, and a negative result indicates a surplus (weight gain).
Details: Understanding and maintaining an appropriate calorie deficit is crucial for sustainable weight loss. A moderate deficit of 500-1000 calories per day typically leads to safe weight loss of 1-2 pounds per week.
Tips: Enter your calculated TDEE and daily calorie intake. Both values should be in kcal/day. Ensure your TDEE is accurately calculated based on your age, weight, height, and activity level.
Q1: What is a safe calorie deficit for weight loss?
A: A deficit of 500-1000 calories per day is generally safe and sustainable, leading to 1-2 pounds of weight loss per week.
Q2: Can my calorie deficit be too large?
A: Yes, excessively large deficits can lead to muscle loss, nutrient deficiencies, metabolic slowdown, and other health issues.
Q3: How do I calculate my TDEE accurately?
A: TDEE can be estimated using online calculators that consider your BMR (Basal Metabolic Rate) multiplied by your activity level, or through more precise methods like metabolic testing.
Q4: Should I adjust my calorie deficit over time?
A: Yes, as you lose weight, your TDEE decreases, so you may need to recalculate and adjust your deficit periodically for continued progress.
Q5: Is calorie deficit the only factor for weight loss?
A: While calorie deficit is primary for weight loss, nutrient quality, macronutrient balance, and exercise also play important roles in body composition and overall health.