There are about 15 calories in 100 grams of cucumber.
The Ministry of Health's table lists 2 entries for cucumber, from 12 to 15 calories per 100 grams. The number here is for Cucumber, with peel, raw, the entry that stands for the food on this page.
How many calories are in a portion of cucumber?
A weight in grams, or one of the food's own units, works out the calories and nutrients of that portion.
- Calories
- 15
- Protein
- 0.6 g
- Fat
- 0.1 g
- Carbohydrates
- 3.1 g
- Sodium
- 2 mg
Cucumber comes in these common portions, with the calories of each.
| Portion | Weight | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|---|
| small unit | 52 g | 8 | 0.31 | 0.05 | 1.6 |
| medium unit | 82 g | 12 | 0.49 | 0.08 | 2.5 |
| large unit | 140 g | 21 | 0.84 | 0.14 | 4.3 |
| thin slice | 3 g | 0 | 0.02 | 0 | 0.09 |
| medium slice | 5.5 g | 1 | 0.03 | 0.01 | 0.17 |
100 grams of cucumber contain 0.6 grams of protein, 0.1 grams of fat and 3.1 grams of carbohydrates.
- Protein0.6 g
- Fat0.1 g
- Saturated fat0.04 g
- Carbohydrates3.1 g
- Sugars2.1 g
- Dietary fibre0.5 g
- Sodium2 mg
- Cholesterol0 mg
These vitamins and minerals are in 100 grams of cucumber, as the Ministry lists them.
- Calcium
- 15.7 mg
- Iron
- 0.27 mg
- Potassium
- 144 mg
- Magnesium
- 12.7 mg
- Zinc
- 0.2 mg
- Vitamin C
- 2.8 mg
- Vitamin A
- 5 mcg
- Folate
- 7 mcg
The Ministry of Health lists 2 entries for cucumber.
The numbers are per 100 grams. Brands, ways of cooking and sizes each have a row of their own.
| Entry | Calories | Protein | Fat | Carbohydrates |
|---|---|---|---|---|
| Cucumber, without peel, raw | 12 | 0.6 | 0.2 | 1.5 |
| Cucumber, with peel, rawThe entry used above | 15 | 0.6 | 0.1 | 3.1 |
These foods are close to cucumber in calories.
These are the questions people ask about the calories in cucumber.
How many calories are in cucumber?
100 grams of cucumber have about 15 calories. The Ministry of Health's table lists 2 entries for it, from 12 to 15 calories per 100 grams.
How many calories are in 50, 100 and 200 grams of cucumber?
50 grams have 8 calories, 100 grams have 15 and 200 grams have 30.
How much protein, fat and carbohydrates are in cucumber?
In 100 grams there are 0.6 g of protein, 0.1 g of fat and 3.1 g of carbohydrates, of which 2.1 g are sugars.
How many calories are in one medium slice of cucumber?
The Ministry's table gives 5.5 grams for one medium slice of cucumber, which is 1 calories.
The foods, their nutrients and their unit weights are the national nutrition table of the Ministry of Health, read on 5 November 2026. The figures are averages per 100 grams of the food as the table lists it.