A 100 g serving of cucumber has about 15 kcal, with 0.7 g of protein, 3.6 g of carbohydrate (0.5 g of that fibre) and 0.1 g of fat. The table below gives the full breakdown and the most common portion sizes.
| Nutrient | Per 100 g |
|---|---|
| Calories | 15 kcal |
| Protein | 0.7 g |
| Carbohydrate | 3.6 g |
| Fibre | 0.5 g |
| Sugars | 1.7 g |
| Fat | 0.1 g |
| Saturated fat | 0 g |
| Sodium | 2 mg |
| Cholesterol | 0 mg |
| Portion | Weight | Calories |
|---|---|---|
| cup slices | 104 g | 16 kcal |
| cucumber (8-1/4") | 301 g | 45 kcal |
To see how cucumber affects a whole dish, drop it into the recipe calorie calculator with the rest of your ingredients — it totals calories, protein, carbs and net carbs for the recipe, per serving and per 100 g. The methodology shows the exact arithmetic.
About 15 kcal per 100 g. Portion calories depend on how much you use — see the portions table above for common amounts.
Cucumber has roughly 0.7 g of protein per 100 g.
Its net carbs are about 3.1 g per 100 g (total carbs 3.6 g minus 0.5 g fibre). Whether it fits your day depends on portion size and your carb target.
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