Calculateur de déficit calorique
Calculateur en ligne gratuit : Calculateur de déficit calorique. Obtenez un résultat précis et instantané avec formule détaillée.
Cet outil est fourni à titre indicatif uniquement et ne remplace pas un avis médical professionnel.
Calculateur de déficit calorique
Planifiez vos progrès de perte de poids
Deficit% = ((TDEE - Intake) / TDEE) * 100 Health Note: A 20–25% deficit is generally considered safe and sustainable.
Calorie deficit recommendations vary by age, sex, activity level, and medical history. Consult a healthcare professional or registered dietitian before starting any dietary plan.
Disclaimer:
This tool is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
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Comment calculer
Deficit% = ((Maintenance Calories − Intake) ÷ Maintenance Calories) × 100
Calorie Deficit Amount = TDEE × (Deficit % ÷ 100). Daily Target Intake = TDEE − Calorie Deficit Amount. Projected Weekly Fat Loss (lbs) = (Daily Deficit × 7) ÷ 3,500.
* Exemple: 2,500 maintenance, 2,000 intake → 20% deficit
Guide de calcul manuel étape par étape
Étape 1 : Saisissez vos données dans le calculateur et visualisez le résultat selon la formule.
Étape 2 : Saisissez vos données dans le calculateur et visualisez le résultat selon la formule.
Étape 3 : Saisissez vos données dans le calculateur et visualisez le résultat selon la formule.
Applications concrètes
Sustainable Weight Management
Setting a 20% deficit on a 2,200 TDEE (440 calorie daily deficit = 1,760 target intake).
Contest Prep Caloric Structuring
Applying a controlled 15% deficit to preserve lean tissue during fat loss phases.
Dietary Adjustment Audit
Adjusting intake when fat loss stalls by shifting from a 10% to a 20% deficit.
Calculateur de déficit caloriqueExemples concrets
Comment ça marche
The Calorie Deficit Percentage Calculator calculates daily intake reduction relative to Total Daily Energy Expenditure (TDEE) for fat loss.
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Foire aux questions
What is a safe calorie deficit percentage for weight loss?
A daily deficit of 15% to 20% below TDEE is considered safe, effective, and sustainable without causing muscle loss or metabolic slowdown.
How many calories equal one pound of body fat?
Approximately 3,500 calories equal one pound of stored body fat. A daily 500-calorie deficit produces about 1 lb of fat loss per week.
Why shouldn't I use an extreme 40%+ calorie deficit?
Extreme deficits trigger severe hunger, muscle tissue loss, fatigue, nutrient deficiencies, and metabolic adaptation.
What is TDEE and how is it calculated?
TDEE (Total Daily Energy Expenditure) combines Basal Metabolic Rate (BMR) with daily physical activity and exercise calories.
How often should I recalculate my calorie deficit?
Recalculate TDEE and calorie intake targets every 10-15 lbs of weight loss, as a lighter body requires fewer maintenance calories.