Calories in Cucumber, raw
Generic food Raw Vegetables
Cucumber, raw contains 16 kcal per 100 g. A typical serving of 1 piece/slice (10 g) provides about 2 kcal.
Roughly 74% of its calories come from carbohydrates, with 16% from protein and 10% from fat (estimated with general energy factors).
That is less energy than the typical item in other vegetables and combinations on FoodFactly, where the median is 46 kcal per 100 g across 135 foods.
100 g provides 20% of the Daily Value for Vitamin K.
These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.
The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 16 kcal | |
| Total fat C | 0.18 g | 0.2% |
| Saturated fat C | 0.037 g | 0.2% |
| Cholesterol C | 0 mg | 0% |
| Sodium C | 2 mg | 0.1% |
| Total carbohydrates C | 3 g | 1% |
| Dietary fiber C | 0.5 g | 2% |
| Total sugars C | 1.7 g | |
| Protein C | 0.62 g | 1% |
| Vitamin A C | 5 µg | 0.6% |
| Vitamin C C | 2.8 mg | 3% |
| Vitamin D C | 0 µg | 0% |
| Vitamin E C | 0.03 mg | 0.2% |
| Vitamin K C | 24 µg | 20% |
| Thiamin (B1) C | 0.027 mg | 2% |
| Riboflavin (B2) C | 0.033 mg | 3% |
| Niacin (B3) C | 0.098 mg | 0.6% |
| Vitamin B6 C | 0.04 mg | 2% |
| Folate (B9) C | 7 µg | 2% |
| Vitamin B12 C | 0 µg | 0% |
| Choline C | 6 mg | 1% |
| Calcium C | 16 mg | 1% |
| Iron C | 0 mg | 0% |
| Magnesium C | 10 mg | 2% |
| Phosphorus C | 23 mg | 2% |
| Potassium C | 170 mg | 4% |
| Zinc C | 0.2 mg | 2% |
| Copper C | 0.063 mg | 7% |
| Selenium C | 0.3 µg | 0.5% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 16%
- Carbohydrates 74%
- Fat 10%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein0.62 gin the lowest quarter of other vegetables and combinations (median 2 g)
- Fiber0.5 gin the lowest quarter of other vegetables and combinations (median 2.2 g)
- Sugars1.7 gin the lowest quarter of other vegetables and combinations (median 2.4 g)
- Fat0.18 gin the lowest quarter of other vegetables and combinations (median 2.7 g)
- Saturated fat0.037 gin the lowest quarter of other vegetables and combinations (median 0.69 g)
- Sodium2 mgin the lowest quarter of other vegetables and combinations (median 138 mg)
- Protein per 100 kcal3.9 gprotein density, useful for comparing foods with different calorie levels
- Water95.9 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat C | 0.005 g |
|---|---|
| Polyunsaturated fat C | 0.032 g |
Individual fatty acids (19)
| EPA (omega-3, 20:5 n-3) C | 0 g |
|---|---|
| DHA (omega-3, 22:6 n-3) C | 0 g |
| Linoleic acid (omega-6, 18:2) C | 0.028 g |
| SFA 4:0 C | 0 g |
| SFA 6:0 C | 0 g |
| SFA 8:0 C | 0 g |
| SFA 10:0 C | 0 g |
| SFA 12:0 C | 0 g |
| SFA 14:0 C | 0.005 g |
| SFA 16:0 C | 0.028 g |
| SFA 18:0 C | 0.005 g |
| MUFA 18:1 C | 0.005 g |
| PUFA 18:3 C | 0.005 g |
| PUFA 20:4 C | 0 g |
| MUFA 16:1 C | 0 g |
| PUFA 18:4 C | 0 g |
| MUFA 20:1 C | 0 g |
| MUFA 22:1 C | 0 g |
| PUFA 22:5 n-3 (DPA) C | 0 g |
Carotenoids (6)
| Beta-carotene C | 45 µg |
|---|---|
| Lycopene C | 0 µg |
| Lutein + zeaxanthin C | 23 µg |
| Retinol C | 0 µg |
| Carotene, alpha C | 11 µg |
| Cryptoxanthin, beta C | 26 µg |
Other components (8)
| Water C | 95.9 g |
|---|---|
| Alcohol C | 0 g |
| Caffeine C | 0 mg |
| Theobromine C | 0 mg |
| Folic acid C | 0 µg |
| Folate, food C | 7 µg |
| Vitamin E, added C | 0 mg |
| Vitamin B-12, added C | 0 µg |
Other forms of Cucumber
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Cucumber, with peel, raw Raw | 15 | 0.65 g | 3.6 g | 0.11 g |
| Cucumber, peeled, raw Raw | 10 | 0.59 g | 2.2 g | 0.16 g |
| Cucumber, cooked Cooked | 45 | 0.72 g | 3.4 g | 3.2 g |
| Cucumber, for use on a sandwich | 16 | 0.62 g | 3 g | 0.18 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Iceberg lettuce, raw Raw | 14 | 0.9 g | 3 g | 0.14 g |
| Zucchini, raw Raw | 17 | 1.2 g | 3.1 g | 0.32 g |
| Tomato, red, ripe, raw Raw | 18 | 0.88 g | 3.9 g | 0.2 g |
| Celery, raw Raw | 14 | 0.69 g | 3 g | 0.17 g |
| Green bell pepper, raw Raw | 20 | 0.86 g | 4.6 g | 0.17 g |
| White mushrooms, raw Raw | 22 | 3.1 g | 3.3 g | 0.34 g |
| Romaine lettuce, raw Raw | 17 | 1.2 g | 3.3 g | 0.3 g |
| Squash, summer, all varieties, raw Raw | 16 | 1.2 g | 3.4 g | 0.18 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in raw cucumber?
100 g of raw cucumber has 16 kcal. 1 piece/slice (10 g): about 2 kcal. 1 stick (10 g): about 2 kcal. 1 miniature (65 g): about 10 kcal.
How much protein is in raw cucumber?
Raw cucumber contains 0.62 g of protein per 100 g (1% of the 50 g Daily Value), or 0.062 g in 1 piece/slice (10 g). About 16% of its calories come from protein. Compared with other other vegetables and combinations, that is in the lowest quarter (median 2 g).
How many carbs are in raw cucumber?
Raw cucumber has 3 g of total carbohydrates per 100 g, including 0.5 g of fiber and 1.7 g of sugars.
How much fat is in raw cucumber?
Raw cucumber contains 0.18 g of fat per 100 g, of which 0.037 g is saturated (0.2% of the Daily Value).
What vitamins and minerals does raw cucumber contain?
Per 100 g, the most notable amounts relative to the Daily Value are Vitamin K (20% DV). The full list is in the vitamins and minerals table above.
How much sodium is in raw cucumber?
100 g contains 2 mg of sodium, 0.1% of the 2,300 mg Daily Value.
Does cucumber have the same nutrition raw and cooked?
No. Per 100 g, cucumber, raw has 16 kcal, while cucumber, cooked has 45 kcal. Cooking changes the water content, so always use the record that matches how you weigh the food.
Where does this nutrition data come from?
From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: FNDDS (Survey), record 2709784. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.