A typical serving of jalapeño (1 pepper, 14 g) has about 4 calories. Per 100 g: 29 kcal, 0.9 g protein, 6.5 g carbs, 0.4 g fat. The same 100 g carries 2.8 g of fiber and 4.1 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 pepper | 14 g | 4 kcal |
| 1 cup, sliced | 90 g | 26 kcal |
| 100 g | 100 g | 29 kcal |
All heat, no cost: one whole jalapeño is about 4 calories. On the energy-density scale, 29 kcal per 100 g puts jalapeño at the very low end.
A typical serving (1 pepper, 14 g) has about 4 calories, and 100 g has 29 kcal. Calories scale with weight, so double the portion means double the number.
There are 0.9 g of protein in 100 g of jalapeño, which works out to about 0.1 g per serving (1 pepper). Treat it as an energy source rather than a protein source.
There are 6.5 g of carbohydrate per 100 g of jalapeño, or about 1 g in 1 pepper (14 g).
Every value on this page comes from USDA FoodData Central, entry 168576 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
Snap a photo of your plate in Joules and the calories and macros for jalapeño are logged for you.
Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 168576 (SR Legacy). Serving calories are computed from the per-100-g values.
