A typical serving of green bell pepper (1 medium pepper, 119 g) has about 24 calories. Per 100 g: 20 kcal, 0.9 g protein, 4.6 g carbs, 0.2 g fat. The same 100 g carries 1.7 g of fiber and 2.4 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 medium pepper | 119 g | 24 kcal |
| 1 large pepper | 164 g | 33 kcal |
| 1 small pepper | 74 g | 15 kcal |
| 100 g | 100 g | 20 kcal |
Picked earlier than red peppers, so it is a little less sweet and a little lighter. On the energy-density scale, 20 kcal per 100 g puts green bell pepper at the very low end.

A typical serving (1 medium pepper, 119 g) has about 24 calories, and 100 g has 20 kcal. Calories scale with weight, so double the portion means double the number.
There are 0.9 g of protein in 100 g of green bell pepper, which works out to about 1.1 g per serving (1 medium pepper). Treat it as an energy source rather than a protein source.
There are 4.6 g of carbohydrate per 100 g of green bell pepper, or about 5 g in 1 medium pepper (119 g).
Every value on this page comes from USDA FoodData Central, entry 170427 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Nutrition data: USDA FoodData Central, FDC ID 170427 (SR Legacy). Serving calories are computed from the per-100-g values.