How many calories are in a cucumber?
1 cup sliced (100 g) of cucumber has 16 calories — with 0.6 g of protein, 3 g of carbs, and 0.2 g of fat, according to USDA nutrition data.
Cucumber nutrition facts
| Nutrient | Per 1 cup sliced | Per 100 g |
|---|---|---|
| Calories | 16 | 16 |
| Protein | 0.6 g | 0.62 g |
| Carbohydrates | 3 g | 2.95 g |
| Fat | 0.2 g | 0.18 g |
| Sodium | 2 mg | 2 mg |
| Potassium | 170 mg | 170 mg |
Source: USDA FoodData Central, Foundation Foods — Cucumber, with peel, raw
Where the calories come from
Of the 16 calories in 1 cup sliced of cucumber, roughly 12 come from carbohydrates, 2 from protein, and 2 from fat.
Frequently asked questions
How many calories are in a cucumber?
1 cup sliced (100 g) of cucumber has about 16 calories, based on USDA data (15.9 calories per 100 g).
How much protein is in a cucumber?
1 cup sliced (100 g) provides about 0.6 g of protein (0.62 g per 100 g).
How many carbs are in a cucumber?
1 cup sliced (100 g) has about 3 g of carbohydrates.
Is cucumber good for weight loss?
At 16 calories per 1 cup sliced, cucumber fits easily into a calorie deficit — the key is what it's paired with and total daily calories.
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