Food database · Meat & poultry
Protein content
22.6 g of protein in 3 oz cooked (85 g) of pork belly, or 6.6 g for every 100 kcal it supplies.
Share of this food's calories that come from protein - it is moderately protein-dense.
| Protein per 100 kcal | 6.6 g |
|---|---|
| Protein per 100 g | 26.6 g |
| Protein per serving | 22.6 g in 3 oz cooked (85 g) |
| Calories from protein | 26% |
| Protein to fat | 0.8 g per 1 g fat |
| Rank in meats, per 100 kcal | 114th of 133 |
| Rank of all foods, per 100 g | 112th of 796 |
| Share of 50 g Daily Value | 45% per serving |
| Protein quality | Complete protein |
One 3 oz cooked, 22.6 g protein.
Every 100 kcal of pork belly brings 6.6 g of protein. On that measure it ranks 114th of the 133 meats in this database and 375th of all 796 foods on the site. Measured by weight instead, its 26.6 g per 100 g ranks 65th in its group.
Around 26% of the calories in pork belly come from protein, so it is moderately protein-dense. It contributes to a day's protein total, but the bulk of what it delivers is energy rather than amino acids - treat it as a contributor alongside a denser source, not as the protein in a meal.
By weight, fat outweighs protein in pork belly: 32.2 g of fat per 100 g against 26.6 g of protein, a ratio of 0.8 to 1.
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 quoted here is measured by weight at 85 g, and it covers about 45% of the 50 g FDA Daily Value for protein.
The cut bacon is made from; fat makes up most of its weight even after cooking.
Serving sizes
| Portion | Weight | Protein | Calories |
|---|---|---|---|
| 100 g | 100 g | 26.6 g | 404 kcal |
| 3 oz cooked (serving used here) | 85 g | 22.6 g | 343 kcal |
| 1 slice, any size | 30 g | 8 g | 121 kcal |
| 1 oz yields | 20 g | 5.3 g | 81 kcal |
| 1 cubic inch | 17 g | 4.5 g | 69 kcal |
| 1 cup | 135 g | 35.9 g | 545 kcal |
Portion weights are the household measures listed on the USDA record; protein and calories scale from the per-100 g figures.
Related
Highest-protein meats per serving · Most protein-dense foods · Highest protein per 100 g
Quick answers
26.6 g. The 3 oz cooked serving used on this page weighs 85 g and so carries 22.6 g.
6.6 g. That figure divides its 26.6 g of protein per 100 g by its 404 kcal per 100 g, so it does not depend on serving size.
Yes. The protein in pork belly supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
About 45%. One 3 oz cooked serving has 22.6 g, and the FDA Daily Value for protein is 50 g.
Figures from USDA FoodData Central record #2705901 (Pork, belly), FNDDS survey data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.