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Protein Intake Calculator

Calculate daily protein needs for sedentary, active, fat-loss, muscle-gain, endurance, or elite-athlete goals. Includes food equivalents.

Health

Protein Intake Calculator

Generated on April 25, 2026

Daily protein target
84 g/day
≈ 21 g per meal across 4 meals
Where your goal sits on the protein continuum
0.81.21.51.82.02.2 g/kg
1.2 g/kg
How much food gets you to 84 g protein?
Chicken breast (cooked)271 g
Lean beef (cooked)311 g
Salmon336 g
Eggs (large, ~50g each)646 g
Greek yogurt (plain)840 g
Lentils (cooked)933 g
Tofu (firm)494 g
Cottage cheese764 g
Whey protein (powder)105 g
Almonds400 g

Step-by-step calculation

Formula

Daily protein (g) = body weight (kg) × multiplier (g/kg). Multiplier ranges from 0.8 (RDA) to 2.2 (elite athlete).

  1. 1Body weight: 70.0 kg.
  2. 2Goal: Recreationally active → 1.2 g/kg.
  3. 3Daily protein: 70.0 × 1.2 = 84.0 g/day.
  4. 4Distributed across 4 meals: ~21 g per meal.
  5. 5Research suggests 0.4 g/kg per meal (≈30 g for 70 kg person) maximally stimulates muscle protein synthesis.
Distribute evenly: 4-5 protein-rich meals (20-40 g each) work better than 2 large meals because each meal triggers a fresh round of muscle protein synthesis. Pair with resistance training (2-4 sessions/week) for maximum muscle benefit. Consult a dietitian for personalized guidance, especially if you have kidney disease.

?What is the Protein Intake Calculator?

The Protein Intake Calculator computes your daily protein target based on body weight and goal. The official RDA is 0.8 g/kg/day — but that's the MINIMUM to prevent deficiency, not the optimum. Active people, those losing weight, and people building muscle benefit from 1.2-2.2 g/kg. Includes per-meal targets (research suggests 0.4 g/kg per meal maximally stimulates muscle protein synthesis) and a table of how much of common protein-rich foods (chicken, eggs, lentils, Greek yogurt, whey, etc.) gets you to your target.

The Formula

Daily protein (g) = body_weight_kg × multiplier (g/kg). Multiplier ranges from 0.8 (RDA / sedentary) to 2.2 (elite athlete in heavy training).

The 0.8 g/kg RDA was set to prevent nitrogen-balance deficiency in sedentary adults — a low bar. Modern sports-nutrition research consistently shows that 1.6-2.2 g/kg optimizes muscle protein synthesis in resistance-trained individuals, even in fat loss. Higher than 2.2 g/kg shows no additional benefit but is generally safe in healthy adults. Distribute the daily total across 3-5 meals (each ≥ 0.4 g/kg) for optimal use.

Practical Examples

1

70 kg sedentary adult (RDA): 56 g/day — easily met by Pakistani diet of dal + chapati + small chicken portion.

2

70 kg active person: 84 g/day — 4 meals of 21 g each (e.g., 100g chicken breast + ¾ cup yogurt).

3

70 kg recreational lifter (muscle gain): 140 g/day — typical 4 meals of 35 g each.

4

60 kg female trying to lose fat: 108 g/day (1.8 g/kg) — preserves lean mass during deficit.

5

85 kg elite athlete: 187 g/day (2.2 g/kg) — usually requires whey protein supplementation alongside whole food.

Frequently Asked Questions

Healthy kidneys handle 2.2 g/kg easily. The persistent 'high protein damages kidneys' claim came from studies of people with PRE-EXISTING kidney disease — in healthy adults, no evidence of harm at 2.2 g/kg or even higher. People with chronic kidney disease (eGFR < 60) should follow nephrologist-prescribed lower limits.

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