Calorie data · Protein← All foods

How many calories in
bacon?

Bacon is calorie-dense — 541 calories per 100g, with 42g of fat alongside 37g of protein. Per-slice it's far more reasonable: a typical strip is 40-45 calories. Most of the calories evaporate as fat in the pan, so the cooked-weight numbers in trackers are usually accurate.

541
kcal · 100g
37g
Protein
1.4g
Carbs
42g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical bacon serving translates in your tracker:

Serving
Calories
Protein
1 slice, cooked (8g)
43 kcal
2.9g
3 slices (24g)
130 kcal
8.9g
1 oz (28g)
151 kcal
10.3g
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at bacon and SpotWell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.

Download on theApp Store
FAQ

Quick answers.

How many calories in bacon?

Bacon has approximately 541 calories per 100g. A typical serving — 1 slice, cooked (8g) — comes in at 43 calories.

How much protein is in bacon?

37g of protein per 100g. That puts bacon at roughly 6.8g of protein per 100 calories — a useful lens when comparing to other protein sources.

How do I log bacon accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With SpotWell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.

Is bacon good for weight loss?

It depends on your overall calorie target. Bacon is calorie-dense at 541 kcal per 100g, so portion control matters more than with low-cal foods.