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.
Common serving sizes.
Calories scale with portion. Here's how a typical bacon serving translates in your tracker:
What 541 calories means.
Calorie-dense and fatty — 42 g of fat per 100g means small portions add up fast, so weigh it rather than eyeballing.
Bacon vs. similar foods.
How bacon stacks up on calories and protein against foods people commonly compare it to:
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.
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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.