BeslyCucumber: Calories, Protein, Carbs & Fat
Calories in cucumber, by the numbers: 18% of them come from protein, 68% from carbs and 14% from fat. For 1 medium (200 g) that works out to 20 kcal, 1.2 g protein, 4.4 g carbs and 0.4 g fat.
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Cucumber serving sizes: calories and macros
| Serving | Grams | Calories | Protein g | Carbs g | Fat g |
|---|---|---|---|---|---|
| 100 g | 100 | 10 | 0.6 | 2.2 | 0.2 |
| 1 oz | 28.4 | 3 | 0.2 | 0.6 | 0.1 |
| 1 medium | 200 | 20 | 1.2 | 4.4 | 0.4 |
Where the calories in cucumber come from
Counting protein and carbs at 4 calories per gram and fat at 9, cucumber gets 18% of its calories from protein, 68% from carbs and 14% from fat. This split is calculated from the macros listed per 100 g (0.6 g protein, 2.2 g carbs, 0.2 g fat).
Sodium, fiber, sugar and saturated fat in cucumber
A 1 medium (200 g) of cucumber also contains 4 mg sodium, 1 g fiber, 3.3 g sugar and 0.1 g saturated fat.
| Nutrient | Per 100 g | Per 1 medium (200 g) |
|---|---|---|
| Sodium | 2 mg | 4 mg |
| Fiber | 0.5 g | 1 g |
| Sugar | 1.7 g | 3.3 g |
| Saturated fat | 0 g | 0.1 g |
| Cholesterol | 0 mg | 0 mg |
| Potassium | 147 mg | 294 mg |
| Calcium | 16 mg | 32 mg |
| Iron | 0.3 mg | 0.6 mg |
| Vitamin C | 2.8 mg | 5.6 mg |
How cucumber compares with similar foods
Among the 6 foods compared here, cucumber is number 1 when sorted from the lowest to the highest calories per 100 g (10 kcal). The comparison uses foods from the same food group (vegetables) that have a page on Besly.
| Food (per 100 g) | Calories | Protein g | Carbs g | Fat g |
|---|---|---|---|---|
| Cucumber (this page) | 10 | 0.6 | 2.2 | 0.2 |
| Spinach | 27 | 2.9 | 2.4 | 0.6 |
| Tomatoes | 27 | 0.8 | 5.5 | 0.6 |
| Broccoli | 31 | 2 | 4.8 | 0.2 |
| Carrots | 41 | 0.9 | 9.6 | 0.2 |
| Corn | 96 | 3.4 | 21 | 1.5 |
Forms and preparations of cucumber
Across the 2 forms listed for cucumber, calories range from 10 kcal per 100 g (Cucumber) to 16 kcal per 100 g (Cucumber, raw).
| Form or preparation (per 100 g) | Calories | Protein g | Carbs g | Fat g | Default serving |
|---|---|---|---|---|---|
| Cucumber (main entry) | 10 | 0.6 | 2.2 | 0.2 | 1 medium (200 g): 20 kcal |
| Cucumber, raw | 16 | 0.6 | 3 | 0.2 | 1 piece/slice (10 g): 2 kcal |
Frequently asked questions
How many calories are in 1 medium of cucumber?
1 medium (200 g) of cucumber has 20 calories, with 1.2 g protein, 4.4 g carbs and 0.4 g fat.
How many calories are in 100 g of cucumber?
100 g of cucumber has 10 calories, 0.6 g protein, 2.2 g carbs and 0.2 g fat. One ounce (28.4 g) is 3 calories.
Is cucumber low in carbs?
Carbs supply 68% of the calories in cucumber (protein 18%, fat 14%). Per 100 g there are 2.2 g of carbs, and 1 medium (200 g) has 4.4 g, including 1 g of fiber.
Recipes with cucumber
- Spicy Korean Cucumber Salad (Oi Muchim)
- Cacık (Yogurt & Cucumber)
- Georgian Tomato-Cucumber Salad with Walnut Dressing
- Cucumber Labneh Bites
- Tandoori Chickpea Bowl with Cucumber Raita
- Cucumber and Wakame Salad (Sunomono)
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Source: USDA FoodData Central, via the Besly food database (source tag “usda”, record us.generic.cucumber). Data snapshot: October 16, 2026. Values are averages for the food as described and vary by brand, ripeness and preparation. Serving sizes come from the same record.