BMR, TDEE and exact calorie targets for weight loss, maintenance and muscle gain at age 22.
Using the Mifflin-St Jeor equation with average US height and weight for a man aged 22, the resting metabolic rate (BMR) is approximately 1879 kcal/day. With typical daily activity included, total calorie expenditure (TDEE) ranges from 2254 kcal (sedentary) to 3241 kcal (very active).
| Goal | Daily Calories | Expected Result |
|---|---|---|
| π΅ Aggressive weight loss | 1833 kcal | ~0.75 kg/week |
| π Weight loss | 2083 kcal | ~0.5 kg/week |
| β Maintenance | 2583 kcal | Weight stable |
| πͺ Lean bulk | 2883 kcal | ~0.25 kg/week |
| ποΈ Aggressive bulk | 3083 kcal | ~0.5 kg/week |
| Activity Level | Description | Daily Calories |
|---|---|---|
| Sedentary | Desk job, minimal movement | 2254 kcal |
| Lightly active | 1β3 workouts/week | 2583 kcal |
| Moderately active | 3β5 workouts/week | 2912 kcal |
| Very active | Hard training 6β7 days/week | 3241 kcal |
Metabolic rate declines approximately 1β2% per decade after age 30, driven primarily by muscle loss (sarcopenia) rather than any inherent slowdown. At age 22, your BMR of 1879 kcal reflects your current muscle mass, height and hormonal status. The single most effective way to maintain or raise your BMR is resistance training β each kilogram of lean muscle burns roughly 13 kcal/day at rest.
| Age | Estimated BMR (man) | Change vs age 22 |
|---|---|---|
| 18 | 1899 kcal | +20 kcal |
| 18 | 1899 kcal | +20 kcal |
| 22 | 1879 kcal | β |
| 27 | 1854 kcal | -25 kcal |
| 32 | 1829 kcal | -50 kcal |
| Macro | % of Calories | Grams/day | Calories |
|---|---|---|---|
| Protein | 30% | 194 g | 776 kcal |
| Carbohydrates | 40% | 258 g | 1032 kcal |
| Fat | 30% | 86 g | 774 kcal |
At age 22, protein intake is especially important. Aim for at least 71β89 g/day to maintain muscle mass, whether you're in a deficit, at maintenance, or in a surplus.
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