BMR, TDEE and exact calorie targets for weight loss, maintenance and muscle gain at age 49.
Using the Mifflin-St Jeor equation with average US height and weight for a man aged 49, the resting metabolic rate (BMR) is approximately 1744 kcal/day. With typical daily activity included, total calorie expenditure (TDEE) ranges from 2092 kcal (sedentary) to 3008 kcal (very active).
| Goal | Daily Calories | Expected Result |
|---|---|---|
| 🔵 Aggressive weight loss | 1647 kcal | ~0.75 kg/week |
| 📉 Weight loss | 1897 kcal | ~0.5 kg/week |
| ✅ Maintenance | 2397 kcal | Weight stable |
| 💪 Lean bulk | 2697 kcal | ~0.25 kg/week |
| 🏋️ Aggressive bulk | 2897 kcal | ~0.5 kg/week |
| Activity Level | Description | Daily Calories |
|---|---|---|
| Sedentary | Desk job, minimal movement | 2092 kcal |
| Lightly active | 1–3 workouts/week | 2397 kcal |
| Moderately active | 3–5 workouts/week | 2703 kcal |
| Very active | Hard training 6–7 days/week | 3008 kcal |
Metabolic rate declines approximately 1–2% per decade after age 30, driven primarily by muscle loss (sarcopenia) rather than any inherent slowdown. At age 49, your BMR of 1744 kcal reflects your current muscle mass, height and hormonal status. The single most effective way to maintain or raise your BMR is resistance training — each kilogram of lean muscle burns roughly 13 kcal/day at rest.
| Age | Estimated BMR (man) | Change vs age 49 |
|---|---|---|
| 39 | 1794 kcal | +50 kcal |
| 44 | 1769 kcal | +25 kcal |
| 49 | 1744 kcal | — |
| 54 | 1719 kcal | -25 kcal |
| 59 | 1694 kcal | -50 kcal |
| Macro | % of Calories | Grams/day | Calories |
|---|---|---|---|
| Protein | 30% | 180 g | 720 kcal |
| Carbohydrates | 40% | 240 g | 960 kcal |
| Fat | 30% | 80 g | 720 kcal |
At age 49, protein intake is especially important. Aim for at least 71–89 g/day to maintain muscle mass, whether you're in a deficit, at maintenance, or in a surplus.
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