How much protein is in raw pork tenderloin?

Raw pork tenderloin has 21 g of protein per 100 g and 23.8 g per 4 oz (113 g). That is 19.3 g of protein per 100 kcal — a high-protein food by any standard.

Should pork and bacon be weighed raw or cooked?

Weigh it in whichever state you log it, and use the row that matches — this page is the raw row. Cooking does not change how many calories are there, only how many grams they are spread across: meat loses water in the pan and gets denser, grains and pasta absorb it and get lighter per gram.

All foods

Pork and baconUSDA SR LegacyFDC 168249

Calories in raw pork tenderloin

USDA FoodData Central record for “Pork, fresh, loin, tenderloin, separable lean only, raw” — per 100 g, per every USDA serving size, and next to the other pork and bacon rows.

The short answer

Raw pork tenderloin: 109 kcal per 100 g. 4 oz (113 g) is 123 kcal with 23.8 g of protein. Source: USDA FoodData Central record 168249, "Pork, fresh, loin, tenderloin, separable lean only, raw".

Per 100 g

Nutrient	Per 100 g	Share of energy
Energy	109 kcal	100%
Protein	21 g	77%
Fat	2.2 g	18%
Carbohydrate	0 g	0%

Raw pork tenderloin is 109 kcal per 100 g in USDA FoodData Central (SR Legacy). Of that energy, about 77% comes from protein, 18% from fat and 0% from carbohydrate. That works out to 19.3 g of protein per 100 kcal — a high-protein food by any standard.

Per serving

The serving sizes USDA lists for this record, priced from the per-100 g figures above. Nothing here is rounded to a “portion” — the gram weight next to each label is what the calories are computed from.

Serving	Weight	Calories	Protein	Fat
100 g	100 g	109	21 g	2.2 g
4 oz	113 g	123	23.8 g	2.5 g
1 lb	454 g	494	95.3 g	10 g
1 roast	505 g	550	106.1 g	11.1 g

Compared with other pork and bacon

Food	kcal / 100 g	Protein / 100 g	Per serving
Raw pork tenderloin	109	21 g	123 kcal · 4 oz
Roasted pork tenderloin	143	26.2 g	121 kcal · 3 oz
Broiled pork tenderloin	187	30.4 g	159 kcal · 3 oz
Raw ground pork	263	16.9 g	298 kcal · 4 oz
Cooked ground pork	297	25.7 g	252 kcal · 3 oz
Raw bacon	393	13.7 g	110 kcal · 1 slice raw
Baked bacon	548	35.7 g	44 kcal · 1 slice cooked
Microwaved bacon	476	39 g	43 kcal · 1 slice cooked

The pork and bacon rows exist in more than one state because water moves during cooking: this is the raw row. Weigh the food in the state you log and pick the row that matches — the calories don’t change in the pan, the grams do. The mechanics are in cooked vs raw weights.

Worth knowing

Pork tenderloin is the leanest common cut of pork — raw, it is lower in calories per 100 g than skinless chicken breast, with comparable protein. It is the cut, not the animal, that decides the number.

Questions about raw pork tenderloin

How many calories are in raw pork tenderloin?: Raw pork tenderloin: 109 kcal per 100 g. 4 oz (113 g) is 123 kcal with 23.8 g of protein. Source: USDA FoodData Central record 168249, "Pork, fresh, loin, tenderloin, separable lean only, raw".
How much protein is in raw pork tenderloin?: Raw pork tenderloin has 21 g of protein per 100 g and 23.8 g per 4 oz (113 g). That is 19.3 g of protein per 100 kcal — a high-protein food by any standard.
Should pork and bacon be weighed raw or cooked?: Weigh it in whichever state you log it, and use the row that matches — this page is the raw row. Cooking does not change how many calories are there, only how many grams they are spread across: meat loses water in the pan and gets denser, grains and pasta absorb it and get lighter per gram.

How calorie.one logs it

Type “raw pork tenderloin” into calorie.one and the app matches this exact record — “Pork, fresh, loin, tenderloin, separable lean only, raw” — estimates the grams, and shows the line with its USDA label. You correct the amount; the per-100 g figure is never guessed. That split between recognition and arithmetic is the whole methodology. For the numbers in context, read Calories in olive oil, butter and cooking fats.