Calories in raw cucumber.
15 kcal per 100 g.
Cucumber, with peel, raw · SR Legacy (2018-04) · USDA FDC 168409
Nutrition for your portion
| Nutrient | Per 100 g | 100 g |
|---|---|---|
| Energy | 15 kcal | 15 kcal |
| Protein | 0.65 g | 0.65 g |
| Carbohydrates | 3.63 g | 3.63 g |
| Fat | 0.11 g | 0.11 g |
| Fibre | 0.5 g | 0.5 g |
| Sugars | 1.67 g | 1.67 g |
| Saturated fat | 0.04 g | 0.04 g |
| Sodium | 2 mg | 2 mg |
| Salt (calculated from sodium) | 0.005 g | 0.005 g |
| Vitamin A (RAE) | 5 ug | 5 ug |
| Vitamin D (D2 + D3) | 0 ug | 0 ug |
| Vitamin E (alpha-tocopherol) | 0.03 mg | 0.03 mg |
| Vitamin K (phylloquinone) | 16.4 ug | 16.4 ug |
| Vitamin C | 2.8 mg | 2.8 mg |
| Thiamin | 0.03 mg | 0.03 mg |
| Riboflavin | 0.03 mg | 0.03 mg |
| Niacin | 0.1 mg | 0.1 mg |
| Vitamin B6 | 0.04 mg | 0.04 mg |
| Folate, total | 7 ug | 7 ug |
| Vitamin B12 | 0 ug | 0 ug |
| Potassium | 147 mg | 147 mg |
| Calcium | 16 mg | 16 mg |
| Phosphorus | 24 mg | 24 mg |
| Magnesium | 13 mg | 13 mg |
| Iron | 0.28 mg | 0.28 mg |
| Zinc | 0.2 mg | 0.2 mg |
| Selenium | 0.3 ug | 0.3 ug |
| Iodine | Unknown | Unknown |
| Copper | 0.04 mg | 0.04 mg |
Energy comes from USDA nutrient 1008. Salt is calculated as sodium × 2.5, with unit conversion to grams. It is not a separately measured salt value.
Preparation
Cucumber is 95% water and 15 kcal per 100 g, and it is almost never cooked. Salting or pickling draws water out and can concentrate it slightly, but a pickle's calories come from the brine's sugar, if any. Peeling removes fibre and a little weight, not calories worth counting.
Logging this food
A whole 8-inch cucumber is about 300 g and 45 kcal — log it and move on; half a cup of slices (52 g) is 8 kcal. The only thing worth precision is what it is dressed with: a tablespoon of olive oil on a cucumber salad is 119 kcal, eight times the cucumber. Tzatziki and creamy dips likewise.
Swaps and alternatives
There is no lighter swap; cucumber is close to the floor. It is itself the swap: replacing crackers or chips as a dip carrier saves 100 kcal or more per snack, and replacing bread in a sandwich is the "cucumber sandwich" people mean. Celery (about 14 kcal) and lettuce play the same role.