How Many Grams of Protein Are in an Egg, by Size?

Eggs are one of the most affordable, versatile, and nutrient-dense foods you can eat. If you’re tracking your macronutrients or simply curious, knowing how many grams of protein in an egg—based on size—can help you plan meals, meet fitness goals, or support overall health. Below is a clear breakdown of protein content by egg size, plus practical tips on how eggs fit into a balanced diet.

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Protein Content by Egg Size

The protein in eggs is divided between the white and yolk. On average, a whole large egg (50 g) contains about 6.5 g of high-quality protein. Here’s how that changes with size:

• Small egg (38 g total weight)
  • Protein: ~4.8 g
  • White: ~3.5 g
  • Yolk: ~1.3 g

• Medium egg (44 g)
  • Protein: ~5.5 g
  • White: ~3.9 g
  • Yolk: ~1.6 g

• Large egg (50 g)
  • Protein: ~6.5 g
  • White: ~4.1 g
  • Yolk: ~2.4 g

• Extra-large egg (56 g)
  • Protein: ~7.0 g
  • White: ~4.6 g
  • Yolk: ~2.4 g

• Jumbo egg (63 g)
  • Protein: ~7.9 g
  • White: ~5.0 g
  • Yolk: ~2.9 g

Note: These values are averages based on USDA data. Actual protein may vary slightly by brand, hen diet, and egg grading.

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What Affects Protein Content?

Several factors can cause small variations in egg protein:

• Hen’s breed and age
• Feed composition
• Storage and freshness
• Grading and packaging processes

Despite these variables, labels on cartons (small, medium, large, etc.) give you a reliable estimate of protein per egg.

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Why Egg Protein Is “Complete”

Eggs score high on protein quality because they contain all nine essential amino acids in proportions your body needs:

• Digestibility: Over 90% of egg protein is absorbed.
• Biological value: Eggs score near the top (100+), indicating efficient use for body tissues.
• Versatility: You can cook eggs in dozens of ways—boiled, scrambled, poached, baked—without losing protein quality.

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Meeting Daily Protein Needs

The Recommended Dietary Allowance (RDA) for protein is 0.8 g per kilogram of body weight for most adults. That translates roughly to:

• A 68 kg (150 lb) adult: ~55 g protein/day
• A 82 kg (180 lb) adult: ~65 g protein/day

If you eat two large eggs for breakfast, you’re already getting ~13 g of your daily protein. Here’s how eggs fit into a balanced plan:

• Combine eggs with whole grains (toast, oats)
• Add vegetables for fiber and antioxidants
• Include healthy fats (avocado, olive oil)
• Pair with dairy or plant-based proteins if you need extra protein

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Tips for Including Eggs Safely

1. Follow safe cooking guidelines
   • Cook until whites and yolks are firm to reduce salmonella risk.
   • Store eggs at ≤4 °C (40 °F) and use within 3–5 weeks of purchase.

2. Balance cholesterol considerations
   • One large egg yolk = ~185 mg cholesterol.
   • Current dietary guidelines allow moderate egg consumption (up to one per day) for most healthy individuals.

3. Adjust for fitness goals
   • Post-workout: Pair two eggs with fruit or yogurt for a 15 – 20 g protein boost.
   • Weight management: Eggs can increase satiety, helping you feel full longer.

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Putting It All Together

• How many grams of protein in an egg depends on the size, ranging from about 4.8 g (small) to 7.9 g (jumbo).
• Eggs provide complete, highly digestible protein that supports muscle repair, immune function, and overall health.
• Incorporate eggs into meals alongside fiber, healthy fats, and complex carbs for balanced nutrition.

If you ever experience unusual symptoms—like persistent fatigue, digestive changes, or unexpected weight shifts—consider a free, online symptom check, using the doctor approved Ubie Symptom Checker.

For anything that feels serious or life threatening, always speak to a doctor.