Exact calorie targets for 80 kg women — weight loss, maintenance and muscle gain.
Using the Mifflin-St Jeor equation — the most validated formula in nutrition science — a 80 kg woman of average height (163 cm) aged 35 burns approximately 1483 kcal/day at rest (BMR). With typical daily activity added, total daily calorie expenditure (TDEE) ranges from 1780 to 2558 kcal depending on lifestyle.
| Goal | Daily Calories | Expected Result |
|---|---|---|
| 🔵 Aggressive weight loss | 1289 kcal | ~0.75 kg/week |
| 📉 Weight loss | 1539 kcal | ~0.5 kg/week |
| ✅ Maintenance | 2039 kcal | Weight stable |
| 💪 Lean bulk | 2339 kcal | ~0.25–0.3 kg/week |
| 🏋️ Aggressive bulk | 2539 kcal | ~0.5 kg/week |
| Activity Level | Description | Daily Calories |
|---|---|---|
| Sedentary | Desk job, no exercise | 1780 kcal |
| Lightly active | 1–3 workouts/week | 2039 kcal |
| Moderately active | 3–5 workouts/week | 2299 kcal |
| Very active | Hard training 6–7 days/week | 2558 kcal |
For a woman of average height (163 cm), a weight of 80 kg gives a BMI of 30.1 — in the obese range. BMI is one indicator, but waist circumference and body composition provide additional context.
At 2039 kcal/day (maintenance), a balanced macronutrient split:
| Macro | % of calories | Grams/day | Calories |
|---|---|---|---|
| Protein | 30% | 153 g | 612 kcal |
| Carbohydrates | 40% | 204 g | 816 kcal |
| Fat | 30% | 68 g | 612 kcal |
For weight loss (1539 kcal/day), increase protein to 35% (135 g) to preserve muscle during the deficit.
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