Calories in Cucumber
Cucumber has about 45 calories per 1 cucumber (300 g), or 15 kcal per 100 g. That serving gives you 2 g protein, 10.9 g carbs and 0.3 g fat.
Nutrition facts
Lab-analysed values from USDA FoodData Central (Cucumber, with peel, raw).
| Nutrient | Per 100 g | 1 cucumber (300 g) | 1 cup sliced (104 g) |
|---|---|---|---|
| Calories | 15 kcal | 45 kcal | 16 kcal |
| Protein | 0.7 g | 2 g | 0.7 g |
| Carbohydrates | 3.6 g | 10.9 g | 3.8 g |
| Fat | 0.1 g | 0.3 g | 0.1 g |
| Fiber | 0.5 g | 1.5 g | 0.5 g |
| Sugar | 1.7 g | 5 g | 1.7 g |
| Sodium | 2 mg | 6 mg | 2 mg |
About Cucumber
Cucumber is 96% water and about 15 kcal per 100 g. A whole cucumber is under 50 kcal, which makes it the ideal thing to eat when you want to chew something without consequences.
Tip: Sliced cucumber with salt and chaat masala is the lowest-calorie crunchy snack there is.
Burn off 45 kcal
Rough estimates for a 70 kg adult.
- Brisk walking10 min
- Running4 min
- Cycling6 min
Stop guessing. Scan your plate.
Portion sizes are where calorie counts go wrong. Take a photo of your cucumber and FoodMate AI estimates the portion and logs calories, protein, carbs and fat in seconds. Free to download.
Common questions
How many calories are in cucumber?+
About 45 kcal per 1 cucumber (300 g), or 15 kcal per 100 g. Almost zero calories; mostly water.
How many calories in 1 cup sliced of cucumber?+
1 cup sliced (104 g) is roughly 16 kcal with 0.7 g protein, 3.8 g carbs and 0.1 g fat.
How much protein is in cucumber?+
About 2 g per 1 cucumber. It is not a major protein source, so pair it with daal, yogurt, eggs, chicken or fish to balance the meal.
Is cucumber good for weight loss?+
Cucumber is low in calorie density (15 kcal per 100 g), so it fills you up for relatively few calories and fits easily into a weight-loss diet.
Related foods
Values are averages for general information only and are not medical or dietary advice. Actual calories depend on the recipe, cooking oil and portion size. Browse all foods in our food calorie database.