Calories in Cucumber
16 calories in 1 cup slices (104 g) (15 kcal per 100 g)
Cucumber has 16 calories per 1 cup slices (104 g). Use this quick USDA-sourced reference for calories and macros, then log the real meal in TrueCal when portions change.
Nutrition facts
| Nutrient | Per serving | Per 100 g |
|---|---|---|
| Calories | 16 kcal | 15 kcal |
| Protein | 0.7 g | 0.65 g |
| Carbs | 3.8 g | 3.63 g |
| Fat | 0.1 g | 0.11 g |
| Fiber | 0.5 g | 0.5 g |
| Sugar | 1.7 g | 1.67 g |
| Sodium | 2.1 mg | 2 mg |
Macro calorie breakdown
Using the common 4 kcal per gram for protein, 4 kcal per gram for carbs, and 9 kcal per gram for fat convention, the 1 cup slices (104 g) serving breaks into these macro-derived calorie shares.
- Protein: 0.7 g, about 2.8 kcal, or 14.8% of macro-derived calories.
- Carbs: 3.8 g, about 15.2 kcal, or 80.4% of macro-derived calories.
- Fat: 0.1 g, about 0.9 kcal, or 4.8% of macro-derived calories.
That equals 4.4 g protein per 100 calories for this serving.
Serving and 100 g context
The labeled serving is 104 g, which is 1.04 times the 100 g reference amount. That serving lists 16 calories, while the 100 g reference lists 15 kcal.
For macros, the same serving shows 0.7 g protein, 3.8 g carbs, and 0.1 g fat. The 100 g reference shows 0.65 g protein, 3.63 g carbs, and 0.11 g fat.
Other measured nutrients
Fiber is 0.5 g per 1 cup slices (104 g) and 0.5 g per 100 g in the USDA data.
Sugar is 1.7 g per 1 cup slices (104 g) and 1.67 g per 100 g in the USDA data.
Sodium is 2.1 mg per 1 cup slices (104 g) and 2 mg per 100 g in the USDA data.
Tracking calories in Cucumber
Use this page as a fixed reference for Cucumber, then log the portion you actually ate in TrueCal. Start from the TrueCal home page, see how food logging works, review tracking features, or compare plan details on pricing.
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Data: USDA FoodData Central — Cucumber, with peel, raw