A red bell pepper is 31 calories per 100g — green peppers are slightly lower at 20. Either is essentially free-volume on any plate. Reds also pack more vitamin C than oranges per gram, which is a hidden bonus.
Calories scale with portion. Here's how a typical bell pepper serving translates in your tracker:
Point your iPhone camera at bell pepper and SpotWell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreBell Pepper has approximately 31 calories per 100g (red). A typical serving — 1 medium (119g) — comes in at 37 calories.
1g of protein per 100g (red). That puts bell pepper at roughly 3.2g of protein per 100 calories — a useful lens when comparing to other vegetables sources.
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.
It depends on your overall calorie target. Bell Pepper is naturally low-calorie at 31 kcal per 100g (red), so it's easy to fit into a deficit.