A typical 3 oz cooked serving of pork roast contains 22.6 grams of protein (26.6 g per 100 g), which makes it a very good source of protein. That covers roughly 45% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 59% of the calories in pork roast come from protein, which makes it very protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Among the 133 meats in the database, pork roast ranks 60th by protein per serving, and 83rd out of all 796 foods on the site. Set against ham steak, another meat entry in the database, a serving carries about 0.5 g less protein (ham steak has 23.1 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.
Source: USDA FoodData Central #2705882 - "Pork, roast" (Survey (FNDDS), published 10/31/2024). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Pork roast protein FAQ
How much protein is in pork roast per 100 g?
Pork roast has 26.6 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 22.6 g.
Is pork roast a complete protein?
Yes. Pork roast 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 pork roast cover?
A 3 oz cooked serving of pork roast contains 22.6 g of protein, about 45% of the 50 g reference Daily Value.
Is pork roast a good source of protein?
Pork roast is a very good source of protein, and about 59% of its calories come from protein, which makes it very protein-dense. Set against ham steak, another meat entry in the database, a serving carries about 0.5 g less protein (ham steak has 23.1 g per 3 oz cooked).