VEGETABLE · per 100g edible portion
Cucumber
Nutrition facts for cucumber (raw) — measured values from USDA FoodData Central, standardized to a 100g basis.
Ranks in 8 of 8 tracked rankings
Energy
15kcal
per 100g
Per 1 cucumber (8-1/4") (301 g): 45 kcal · 2 g protein · 10.9 g carbs · 0.3 g fat
Protein
0.7g
Carbs
3.6g
Fiber
0.5g
Fat
0.1g
Macronutrient mix
Share of calories from each macro (Atwater 4/4/9 kcal per g)
In context
Why cucumber stands out
Where cucumber sits among the 61 foods in the database, per nutrient — computed from measured values only.
High in
Nothing in the top tier for this food.
Source of
Nothing in the top tier for this food.
Low in
- Calories#61 · 15 kcal
Serving sizes
Household measures
| Measure | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 0.5 cup slices | 52 g | 8 kcal | 0.3 g | 1.9 g | 0.1 g |
| 1 cucumber (8-1/4") | 301 g | 45 kcal | 2 g | 10.9 g | 0.3 g |
Measures from USDA food portion data; per-serving values are derived from the measured per-100g values.
Full profile
Nutrition facts per 100g
| Nutrient | Amount |
|---|---|
| Calories | 15 kcal |
| Protein | 0.65 g |
| Carbohydrates | 3.63 g |
| Fiber | 0.5 g |
| Sugar | 1.67 g |
| Fat | 0.11 g |
| Saturated Fat | 0.04 g |
| Calcium | 16 mg |
| Iron | 0.28 mg |
| Magnesium | 13 mg |
| Phosphorus | 24 mg |
| Potassium | 147 mg |
| Sodium | 2 mg |
| Zinc | 0.2 mg |
| Vitamin A | 5 µg |
| Vitamin C | 2.8 mg |
| Vitamin D | 0 µg |
| Vitamin E | 0.03 mg |
| Vitamin K | 16.4 µg |
| Vitamin B1 | 0.03 mg |
| Vitamin B2 | 0.03 mg |
| Vitamin B3 | 0.1 mg |
| Vitamin B6 | 0.04 mg |
| Vitamin B12 | 0 µg |
| Folate | 7 µg |
Common questions
Cucumber FAQ
How many calories in 1 cucumber (8-1/4") of cucumber?
1 cucumber (8-1/4") of cucumber (301 g) provides about 45 kcal. Per 100 g, cucumber has 15 kcal.
How much protein in cucumber?
Cucumber contains 0.7 g of protein per 100 g — about 2 g per 1 cucumber (8-1/4") (301 g).
Is cucumber high in fiber?
Cucumber has 0.5 g of fiber per 100 g and ranks #43 of 58 tracked foods for fiber.
Explore
Where cucumber ranks
Food graph
Nutritionally similar to cucumber
Computed from all 25 tracked nutrient profiles in the database — closest overall composition, not necessarily the same food family.
Keep exploring
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Data Provenance
USDA FoodData Central
SR Legacy
- Source
- USDA FoodData Central
- FDC ID
- 168409
- Basis
- 100 g edible portion
- Record type
- SR Legacy
- Retrieved
- November 10, 2026