A typical 1 oz serving of pastrami contains 6.1 grams of protein (21.8 g per 100 g), which makes it a moderate source of protein. That covers roughly 12% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
About 59% of the calories in pastrami 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, pastrami ranks 118th by protein per serving, and 428th out of all 796 foods on the site. Set against beef hot dog, another meat entry in the database, a serving carries about 0.5 g more protein (beef hot dog has 5.6 g per 1 hot dog).
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 28 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #170204 - "Beef, cured, pastrami" (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
Pastrami protein FAQ
How much protein is in pastrami per 100 g?
Pastrami has 21.8 g of protein per 100 g. A typical 1 oz serving (28 g) provides 6.1 g.
Is pastrami a complete protein?
Yes. Pastrami 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 pastrami cover?
A 1 oz serving of pastrami contains 6.1 g of protein, about 12% of the 50 g reference Daily Value.
Is pastrami a good source of protein?
Pastrami is a moderate source of protein, and about 59% of its calories come from protein, which makes it very protein-dense. Set against beef hot dog, another meat entry in the database, a serving carries about 0.5 g more protein (beef hot dog has 5.6 g per 1 hot dog).