Calorie data · Vegetables← All foods

How many calories in
bell pepper?

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.

31
kcal · 100g (red)
1g
Protein
6g
Carbs
0.3g
Fat
Servings

Common serving sizes.

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

Serving
Calories
Protein
1 medium (119g)
37 kcal
1.2g
1 cup, sliced (92g)
29 kcal
0.9g
1 large (164g)
51 kcal
1.6g
In your day

What 31 calories means.

Very low calorie — at 31 kcal per 100g (red), bell pepper adds volume to a meal without meaningfully denting a calorie deficit.

Share of a 2,000-kcal day
2%
per 100g (red) · 3.2g protein per 100 kcal
Time to burn it off
🚶 Walking6 min
🏃 Running3 min
🚴 Cycling3 min
Estimated for a 70 kg / 154 lb adult
Comparison

Bell Pepper vs. similar foods.

How bell pepper stacks up on calories and protein against foods people commonly compare it to:

Food
Calories
Protein / 100 kcal
Bell Pepper
31 kcal / 100g (red)
3.2g
18 kcal / 100g
5g
16 kcal / 100g
4.4g
40 kcal / 100g
2.8g
Track this food

Skip the lookup. Snap the plate.

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.

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FAQ

Quick answers.

How many calories in bell pepper?

Bell Pepper has approximately 31 calories per 100g (red). A typical serving — 1 medium (119g) — comes in at 37 calories.

How much protein is in bell pepper?

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.

How do I log bell pepper 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 bell pepper good for weight loss?

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.