A typical 3 oz cooked serving of whole roasted chicken contains 23.2 grams of protein (27.3 g per 100 g), which makes it a very good source of protein. That covers roughly 46% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
Protein accounts for roughly 46% of the calories in whole roasted chicken, making it very protein-dense. The rest comes from fat and carbohydrate, so it adds a solid amount of protein while still carrying real energy - useful when you are eating to a calorie target rather than under one.
Among the 133 meats in the database, whole roasted chicken ranks 53rd by protein per serving, and 75th out of all 796 foods on the site. Set against flank steak, another meat entry in the database, a serving carries about 0.5 g less protein (flank steak has 23.7 g per 3 oz cooked).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving above is measured by weight at 85 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Mixed light and dark meat with the skin on.
Source: USDA FoodData Central #171450 - "Chicken, broilers or fryers, meat and skin, cooked, roasted" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Whole roasted chicken protein FAQ
How much protein is in whole roasted chicken per 100 g?
Whole roasted chicken has 27.3 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 23.2 g.
Is whole roasted chicken a complete protein?
Yes. Whole roasted chicken is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
How much of the Daily Value does a serving of whole roasted chicken cover?
A 3 oz cooked serving of whole roasted chicken contains 23.2 g of protein, about 46% of the 50 g reference Daily Value.
Is whole roasted chicken a good source of protein?
Whole roasted chicken is a very good source of protein, and about 46% of its calories come from protein, which makes it very protein-dense. Set against flank steak, another meat entry in the database, a serving carries about 0.5 g less protein (flank steak has 23.7 g per 3 oz cooked).