Per 100 g, Bacon has 468 calories and 33.9 g of protein, while Pork sausage has 325 calories and 18.5 g. Pork sausage is the lighter choice, 143 kcal fewer per 100 g. Bacon carries more protein, 15.4 g more per 100 g.
| Per 100 g | Bacon | Pork sausage |
|---|---|---|
| Calories | 468 kcal | 325 kcal |
| Protein | 33.9 g | 18.5 g |
| Carbs | 1.7 g | 1.4 g |
| Fat | 35.1 g | 27.2 g |
| Fiber | 0 g | 0 g |
Pork sausage for fewer calories, Bacon for more protein.
Both columns are USDA FoodData Central numbers — the same sourced data Joules logs from, rather than the crowd-sourced entries that make many trackers disagree with each other.

Per 100 g, Bacon has 468 calories and Pork sausage has 325. Pork sausage is lower by 143 kcal. Compare per 100 g first, then scale to your actual portion.
Per 100 g, Bacon has 33.9 g of protein and Pork sausage has 18.5 g. Bacon has 15.4 g more.
Neither is off-limits. Fewer calories per 100 g gives you more room in a deficit, but portion size and the rest of your day matter more than the swap itself. Log whichever you actually eat and watch your daily total.
Both foods come from USDA FoodData Central (SR Legacy): FDC ID 168322 for Bacon and 174578 for Pork sausage, taken per 100 g so the comparison is like-for-like.
Snap a photo of Bacon or Pork sausage in Joules and the calories and macros are logged for you — from the same USDA data.
Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 168322 · FDC ID 174578 (SR Legacy), per 100 g. Both entries are compared on the same basis.