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A calorie deficit occurs when you consume fewer calories than you burn. Since 1kg of body fat contains approximately 7,700 kcal, a daily deficit of 500 kcal theoretically produces 0.5kg of fat loss per week. Sustainable deficits are typically 300–500 kcal/day — larger deficits cause muscle loss and metabolic adaptation.

단계별 가이드

  1. 1Calculate TDEE (Total Daily Energy Expenditure) using BMR × activity factor
  2. 2Set deficit target: 300–500 kcal/day for moderate loss (0.3–0.5kg/week)
  3. 3Minimum intake: 1,200 kcal (women) or 1,500 kcal (men) to preserve muscle
  4. 4Monitor weekly weight trend — 3–4 week average is more reliable than daily weigh-ins

풀어진 예시

입력
TDEE 2,500 kcal, goal: 0.5kg/week loss
결과
Target: 2,000 kcal/day
500 kcal deficit × 7 days = 3,500 kcal ≈ 0.45kg
입력
TDEE 2,000 kcal, goal: maintain weight
결과
Target: 2,000 kcal/day
Zero deficit = weight maintenance

자주 묻는 질문

What is Calorie Deficit Occurs When You Consume Fewer Calories Than You Burn?

A calorie deficit occurs when you consume fewer calories than you burn. Since 1kg of body fat contains approximately 7,700 kcal, a daily deficit of 500 kcal theoretically produces 0

How accurate is the Calorie Deficit Occurs When You Consume Fewer Calories Than You Burn calculator?

The calculator uses the standard published formula for calorie deficit occurs when you consume fewer calories than you burn. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Calorie Deficit Occurs When You Consume Fewer Calories Than You Burn calculator use?

This calculator works with kilograms, inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Calorie Deficit Occurs When You Consume Fewer Calories Than You Burn calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

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