Food · Vegetables and Vegetable Products
Cucumber nutrition facts
A typical portion of cucumber (1 cup; 120 g, raw (Survey)) has 20 calories and less than 1g of protein (USDA FoodData Central). USDA lists 7 descriptions of it: per 100 g they range from 10 calories (peeled, raw) to 122 (tomato and cucumber salad made with tomato, oil, and vinegar).
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Cucumber, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 0.6g
- more than 11% of 8,218 USDA reference foods
- Calories per 100 g
- 16
- more than 2% of reference foods
- Sodium per 100 g
- 2mg
- more than 6% of reference foods
1 cup weighs 120 g in USDA's record for Cucumber, raw (FDC 2709784); across 3 records of cucumber USDA weighs it at 120 to 185 g, so a linked record can show a different gram weight for the same measure.
Where the calories come from: 74% carbohydrate, 10% fat and 16% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Vitamin K29 µg in 1 cup (120 g), 24% of the Daily Value
Source: USDA FoodData Central (FDC 2709784), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of cucumber USDA describes
Tomato and cucumber salad made… has the most calories per 100 g (122); the fewest: Peeled (10)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Cucumber, rawSame values: Cucumber, for use on a sandwich | 16 | 0.6 g | 0.2 g | 2 mg |
| Cucumber, cooked | 45 | 0.7 g | 3.2 g | 145 mg |
| Cucumber, with peel, raw (SR Legacy) | 15 | 0.7 g | 0.1 g | 2 mg |
| Cucumber, with peel, raw (Foundation) | 14 | 0.6 g | 0.2 g | 2 mg |
| Cucumber, peeled, raw | 10 | 0.6 g | 0.2 g | 2 mg |
| Tomato and cucumber salad made with tomato, cucumber, oil, and vinegar | 122 | 0.5 g | 10.2 g | 212 mg |
Every nutrient in this record (65)
The portion is 1 cup (120 g); % DV is for that portion.
Energy, macronutrients and sugars (12)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 0.74 g | 0.62 g | 1% |
| Total lipid (fat) | 0.22 g | 0.18 g | 0% |
| Carbohydrate, by difference | 3.54 g | 2.95 g | 1% |
| Energy | 19.2 kcal | 16.0 kcal | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 115 g | 95.9 g | |
| Total Sugars | 2.00 g | 1.67 g | |
| Fiber, total dietary | 0.60 g | 0.50 g | 2% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total saturated | 0.044 g | 0.037 g | 0% |
| Fatty acids, total monounsaturated | 0.0060 g | 0.0050 g | |
| Fatty acids, total polyunsaturated | 0.038 g | 0.032 g |
Minerals (9)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 19.2 mg | 16.0 mg | 1% |
| Iron, Fe | 0 mg | 0 mg | 0% |
| Magnesium, Mg | 12.0 mg | 10.0 mg | 3% |
| Phosphorus, P | 27.6 mg | 23.0 mg | 2% |
| Potassium, K | 204 mg | 170 mg | 4% |
| Sodium, Na | 2.40 mg | 2.00 mg | 0% |
| Zinc, Zn | 0.24 mg | 0.20 mg | 2% |
| Copper, Cu | 0.076 mg | 0.063 mg | 8% |
| Selenium, Se | 0.36 µg | 0.30 µg | 1% |
Vitamins (23)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 6.00 µg | 5.00 µg | 1% |
| Carotene, beta | 54.0 µg | 45.0 µg | |
| Carotene, alpha | 13.2 µg | 11.0 µg | |
| Vitamin E (alpha-tocopherol) | 0.036 mg | 0.030 mg | 0% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 31.2 µg | 26.0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 27.6 µg | 23.0 µg | |
| Vitamin C, total ascorbic acid | 3.36 mg | 2.80 mg | 4% |
| Thiamin | 0.032 mg | 0.027 mg | 3% |
| Riboflavin | 0.040 mg | 0.033 mg | 3% |
| Niacin | 0.12 mg | 0.098 mg | 1% |
| Vitamin B-6 | 0.048 mg | 0.040 mg | 3% |
| Folate, total | 8.40 µg | 7.00 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 7.20 mg | 6.00 mg | 1% |
| Vitamin K (phylloquinone) | 28.8 µg | 24.0 µg | 24% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 8.40 µg | 7.00 µg | |
| Folate, DFE | 8.40 µg | 7.00 µg | 2% |
| Vitamin E, added | 0 mg | 0 mg | |
| Vitamin B-12, added | 0 µg | 0 µg |
Fatty acids (19)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0 g | 0 g | |
| SFA 6:0 | 0 g | 0 g | |
| SFA 8:0 | 0 g | 0 g | |
| SFA 10:0 | 0 g | 0 g | |
| SFA 12:0 | 0 g | 0 g | |
| SFA 14:0 | 0.0060 g | 0.0050 g | |
| SFA 16:0 | 0.034 g | 0.028 g | |
| SFA 18:0 | 0.0060 g | 0.0050 g | |
| MUFA 18:1 | 0.0060 g | 0.0050 g | |
| PUFA 18:2 | 0.034 g | 0.028 g | |
| PUFA 18:3 | 0.0060 g | 0.0050 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| MUFA 16:1 | 0 g | 0 g | |
| PUFA 18:4 | 0 g | 0 g | |
| MUFA 20:1 | 0 g | 0 g | |
| PUFA 20:5 n-3 (EPA) | 0 g | 0 g | |
| MUFA 22:1 | 0 g | 0 g | |
| PUFA 22:5 n-3 (DPA) | 0 g | 0 g |
Source: USDA FoodData Central, FDC 2709784: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in cucumber?
20 in 1 cup (120 g) of raw (Survey); 10 to 122 per 100 g across USDA's descriptions.
How much protein is in cucumber?
less than 1g in 1 cup; 0.6 g per 100 g.
How much sodium is in cucumber?
0mg in 1 cup; 2 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov