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Pork Belly (with Skin) Calories and Nutrition Facts

Pork Belly (with Skin) has 380 calories per 100 g, with 15.2 g protein, 0 g carbs and 35.8 g fat. Official USDA analytical record: Pork, belly, with skin, raw (FDC ID: 2727576).

⚡ Quick Nutrition Answer

One standard serving of pork belly (with skin) (3 oz (85 g)) contains 323 calories, 12.9g protein, 0g total carbs (0g net carbs), and 30.4g fat. Per 100 grams, it supplies 380 calories.

Energy density

3.8 kcal/g

medium

Protein / 100 kcal

4 g

satiety per calorie

Net carbs / 100 g

0 g

carbs minus fibre

100 kcal portion

26 g

≈ 0.9 oz

✓ High protein✓ Low saturated fat✓ Low sodium✓ Sugar free✓ Keto-friendly
Serving size
How many?

= 85 g total

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Calories
323
in 85 g · 380 kcal per 100 g
Carbs0 g · 0%
Protein12.9 g · 16%
Fat30.4 g · 84%
Sugars
0g
Fibre
0g
Saturated fat
0g
Sodium
43mg

Pork Belly (with Skin) Portion & Serving Size Comparison

Compare calories, carbs, net carbs, and macros across common household measurements.

Portion SizeWeightCaloriesTotal CarbsNet CarbsProteinFat
3 oz (85 g)85 g323 kcal0 g0 g12.9 g30.4 g
1 slice (34 g)34 g129 kcal0 g0 g5.2 g12.2 g
100 g100 g380 kcal0 g0 g15.2 g35.8 g

Pork, belly, with skin, raw nutrition facts

The table below shows the complete nutritional profile for pork, belly, with skin, raw per 100 g (the laboratory analytical standard) and per 3 oz (85 g), alongside the share of the FDA Daily Value each nutrient covers. Most of its calories come from fat, and it is high in protein (15.2 g per 100 g).

NutrientPer 100 gPer 3 oz (85 g)% DV*
Calories380 kcal323 kcal
Protein15.2 g12.9 g30%
Carbohydrate0 g0 g0%
Fat35.8 g30.4 g46%
Sugars0 g0 g
Fibre0 g0 g0%
Saturated fat0 g0 g0%
Sodium50 mg43 mg2%

*Percent Daily Value per 100 g, against the FDA reference intakes for adults and children 4+ years (50 g protein, 275 g carbohydrate, 28 g fibre, 78 g fat, 20 g saturated fat, 2300 mg sodium). Total sugars has no Daily Value — the 50 g reference applies to added sugars only, and USDA reports total sugars here.

Pork Belly (with Skin) calories by weight: ounces, pounds and grams

USDA publishes this food per 100 g, so here is the same profile converted to the weights a kitchen scale and a US recipe actually use. At 3.8 kcal per gram (medium energy density), medium energy density — portion size starts to matter, so weigh it if you are tracking closely.

AmountCaloriesProteinCarbsFat
1 oz (28 g)108 kcal4.3 g0 g10.1 g
100 g (3.5 oz)380 kcal15.2 g0 g35.8 g
4 oz (113 g)431 kcal17.2 g0 g40.6 g
8 oz / ½ lb (227 g)862 kcal34.5 g0 g81.2 g
1 lb (454 g)1724 kcal68.9 g0 g162.4 g
🏛️ Official USDA FoodData Central CitationFDC ID: 2727576

Data sourced from USDA FoodData Central Foundation Foods dataset (public domain, CC0). Laboratory food profile and analytical measurements verified under USDA FDC ID 2727576.

View raw USDA laboratory entry →

How pork belly (with skin) compares to other pork

Against the 7 pork in this database, pork belly (with skin) ranks 6th lowest in calories and 7th highest in protein. The category averages 236 kcal per 100 g, so this one is 61% above it. The lightest option in the category is pork, loin, tenderloin, boneless, raw at 119 kcal per 100 g, and the protein leader is pork, cured, bacon, cooked, restaurant at 40.9 g per 100 g.

Pork (by calories)CaloriesProteinkcal/g
🥩 Pork, chop, center cut, raw138 kcal22.8 g1.38
🥩 Pork, loin, boneless, raw168 kcal21.1 g1.68
🥩 Pork, ground, raw228 kcal17.8 g2.28
🥩 Pork, belly, with skin, raw (this page)380 kcal15.2 g3.8
🥩 Pork, cured, bacon, cooked, restaurant500 kcal40.9 g5

Portion planning with pork belly (with skin)

  • 100 calories comes to about 26 g (0.9 oz).
  • 20 g of protein takes about 132 g, bringing 502 kcal with it — that is 4 g of protein per 100 calories.
  • Macro split by calories: 0% carbs, 16% protein, 84% fat.

Nutrient screening detail

The badges near the top of this page come from screening the per-100 g values against the FDA nutrient-content thresholds in 21 CFR 101.54–101.62. The regulations define those claims per reference serving rather than per 100 g, so treat these as a like-for-like comparison between foods, not as a statement about a product label:

  • High protein — 15.2 g per 100 g (≥ 20% DV)
  • Low saturated fat — 0 g per 100 g (≤ 1 g)
  • Low sodium — 50 mg per 100 g (≤ 140 mg)
  • Sugar free — 0 g total sugars per 100 g (< 0.5 g)
  • Keto-friendly — 0 g net carbs per 100 g (≤ 5 g)

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Pork Belly (with Skin) FAQ & Nutrition Questions

How many calories and carbs are in 3 oz (85 g) of pork belly (with skin)?

One serving of 3 oz (85 g) provides 323 calories, 0 g total carbs, 12.9 g protein, and 30.4 g fat.

How many calories and macros are in 1 slice (34 g) of pork belly (with skin)?

1 slice (34 g) of pork belly (with skin) provides 129 calories, 5.2 g protein, 0 g total carbs, and 12.2 g fat.

How many calories are in 100 g of pork belly (with skin)?

Pork Belly (with Skin) contains 380 calories per 100 g, with 15.2 g protein, 0 g carbohydrate, and 35.8 g fat. Use the interactive calculator above to scale to any custom amount.

What is the USDA FoodData Central (FDC) ID for pork belly (with skin)?

The official USDA FoodData Central ID for "Pork, belly, with skin, raw" is FDC ID: 2727576. You can view the verified laboratory analytical record on the USDA FoodData Central Database.

What is the macronutrient breakdown of pork belly (with skin)?

By calories, pork belly (with skin) is approximately 0% carbohydrates, 16% protein, and 84% fat.

How many calories are in an ounce of pork belly (with skin)?

One ounce (28 g) of pork belly (with skin) has 108 calories, with 4.3 g protein, 0 g carbs and 10.1 g fat. Four ounces (113 g) comes to 431 calories, and a full pound (454 g) to 1724 calories.

How much pork belly (with skin) is 100 calories?

About 26 g of pork belly (with skin) supplies 100 calories, because it carries 3.8 kcal per gram (medium energy density). Medium energy density — portion size starts to matter, so weigh it if you are tracking closely.

How much pork belly (with skin) do I need for 20 g of protein?

Roughly 132 g of pork belly (with skin), which also brings 502 calories with it. That works out to 4 g of protein per 100 calories.

Is pork belly (with skin) high or low in calories for a pork?

Pork Belly (with Skin) sits 61% above the pork average of 236 kcal per 100 g, ranking 6th lowest of 7 in this category.

Is this nutrition data free to use?

Yes. The data is sourced directly from USDA FoodData Central (CC0 public domain). Viewing and scaling portions here is 100% free with no sign-up — and you can log this food free in our online food diary.