A single large egg contains about 6.3 grams of protein. That number stays remarkably consistent whether the egg is raw, fried, poached, or boiled, with USDA data showing only tiny differences (6.25 to 6.28 grams) across cooking methods.
Protein by Egg Size
Most nutrition labels and databases use the large egg as the standard reference. Since eggs vary in weight by size category, the protein content scales roughly in proportion:
- Small (43 g): ~4.8 g protein
- Medium (50 g): ~5.5 g protein
- Large (57 g): ~6.3 g protein
- Extra-large (64 g): ~7.0 g protein
- Jumbo (71 g): ~7.9 g protein
If your egg carton says “large,” you can confidently count each egg as about 6 grams of protein. For jumbo eggs, round up closer to 8.
Where the Protein Lives: White vs. Yolk
The white and yolk split the protein almost evenly, which surprises most people. A single egg white provides 3.6 grams of protein, and the yolk contributes the remaining 2.7 grams. The white wins on a calorie-for-calorie basis (17 calories vs. 54 for the yolk), which is why bodybuilders historically favored egg whites. But tossing the yolk means losing nearly half the egg’s protein along with most of its vitamins, minerals, and healthy fats.
Egg Protein Quality
Not all protein is created equal. The standard measure of protein quality, called the Digestible Indispensable Amino Acid Score (DIAAS), rates how well your body can absorb and use each essential amino acid in a food. Cooked eggs score above 100 for anyone older than six months, earning the highest rating of “excellent” protein quality. For context, a score of 100 means the food provides at least as much of every essential amino acid as your body needs per gram of protein consumed.
Eggs contain all nine essential amino acids, the ones your body cannot make on its own. In a single large egg, the breakdown looks like this:
- Leucine: 0.57 g
- Lysine: 0.45 g
- Valine: 0.43 g
- Isoleucine: 0.36 g
- Phenylalanine: 0.35 g
- Threonine: 0.32 g
- Methionine: 0.21 g
- Histidine: 0.16 g
- Tryptophan: 0.11 g
Leucine matters most for muscle building because it’s the amino acid that triggers muscle protein synthesis. At 0.57 grams per egg, you’d need roughly three to four eggs to hit the 2 to 3 gram leucine threshold that research links to optimal muscle repair after exercise.
How Many Eggs to Hit Common Protein Targets
If you’re trying to build a high-protein meal, here’s how eggs stack up against common targets. To reach 20 grams of protein, you need roughly three eggs plus a small side (a slice of toast with nut butter or a cup of milk). To reach 30 grams, the threshold many dietitians recommend per meal for muscle maintenance, plan on five to six whole eggs or four eggs with an ounce of cheese. If you’re using egg whites alone, eight whites get you to about 29 grams.
Eggs work well as a protein base, but they’re easier to pair than to rely on solo. A three-egg omelet with vegetables and a bit of cheese lands you right around 25 grams without needing to eat half a dozen eggs in one sitting.
Does Cooking Change the Protein?
Cooking does not reduce the total grams of protein in an egg. The USDA values for raw, fried, and poached large eggs are virtually identical, all within a few hundredths of a gram of each other. What cooking does change is how much of that protein your body can actually use. Research has shown the human body absorbs about 91% of the protein in cooked eggs, compared to only 51% in raw eggs.
Heat breaks apart the tightly coiled protein structures in a raw egg, allowing them to unfold and form new, simpler bonds. These restructured proteins are far easier for your digestive enzymes to access. So while a raw egg and a scrambled egg both contain 6.3 grams of protein on paper, your body extracts nearly twice as much usable protein from the cooked version. This is one of the clearest arguments against the old practice of drinking raw eggs for a protein boost.