Protein per Meal Calculator
Calculate protein per meal from daily target and meal count.
Returns grams per meal with food equivalents — chicken breast, eggs, Greek yogurt, and more.
Protein distribution across meals matters for muscle protein synthesis (MPS) — the biological process of building and repairing muscle tissue. Research from the University of Texas Medical Branch and others shows that MPS is maximized by consuming 20–40 grams of high-quality protein per meal, with additional protein providing diminishing returns at a single sitting.
Daily Protein Target formula:
Daily Protein = Body Weight (lbs) × 0.7 to 1.0 (grams; use upper end for athletes/muscle building)
or: Body Weight (kg) × 1.6 to 2.2 g/kg
Protein per Meal formula:
Protein per Meal = Daily Protein Target / Number of Meals
What each variable means:
- Daily Protein Target — total grams of protein needed per day based on body weight and activity level
- Number of Meals — total eating occasions per day where protein is consumed; 3–5 meals is optimal for MPS stimulation
- Leucine threshold — the amino acid leucine is the primary trigger for MPS; approximately 2.5–3.0 g of leucine is needed per meal to maximally stimulate MPS
- Chicken breast: ~2.8g leucine per 150g (∼37g protein)
- Whey protein: ~11g leucine per 100g protein → ~2.75g per 25g scoop
- Eggs: ~0.54g leucine per egg → 5 eggs needed to approach threshold
- Protein quality — complete proteins (animal sources, soy, quinoa) contain all 9 essential amino acids; incomplete proteins need combining
Worked example: Male athlete, 185 lbs (84 kg), goal: muscle building.
Daily protein = 185 × 0.9 = 166.5 g ≈ 167 g/day At 4 meals per day: 167 / 4 = 41.75 ≈ 42 g protein per meal At 5 meals per day: 167 / 5 = 33.4 ≈ 34 g protein per meal (optimal for MPS per meal)
Sample meal sources for 35g protein:
- 5 oz (142g) chicken breast = 44g protein ✓
- 1.5 cups (225g) cottage cheese = 36g protein ✓
- 1.25 scoops whey protein = 35g protein ✓
- 1 cup Greek yogurt + 2 eggs = 23g + 12g = 35g ✓
Timing: Research supports distributing protein evenly across meals. Consuming 80%+ of protein in one or two sittings leaves significant recovery potential on the table.