A typical 1/2 cup serving of ricotta (part-skim) contains 14.1 grams of protein (11.4 g per 100 g), which makes it a good source of protein. That covers roughly 28% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Protein accounts for roughly 33% of the calories in ricotta (part-skim), making it moderately 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 81 dairy foods in the database, ricotta (part-skim) ranks 13th by protein per serving, and 264th out of all 796 foods on the site. Set against sheep milk, another dairy food entry in the database, a serving carries about 0.6 g less protein (sheep milk has 14.7 g per 1 cup).
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 volume at 124 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #171248 - "Cheese, ricotta, part skim milk" (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
Ricotta (part-skim) protein FAQ
How much protein is in ricotta (part-skim) per 100 g?
Ricotta (part-skim) has 11.4 g of protein per 100 g. A typical 1/2 cup serving (124 g) provides 14.1 g.
Is ricotta (part-skim) a complete protein?
Yes. Ricotta (part-skim) 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 ricotta (part-skim) cover?
A 1/2 cup serving of ricotta (part-skim) contains 14.1 g of protein, about 28% of the 50 g reference Daily Value.
Is ricotta (part-skim) a good source of protein?
Ricotta (part-skim) is a good source of protein, and about 33% of its calories come from protein, which makes it moderately protein-dense. Set against sheep milk, another dairy food entry in the database, a serving carries about 0.6 g less protein (sheep milk has 14.7 g per 1 cup).