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Low calorie, high water content, refreshing
In season: Spring · Summer · Autumn
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
100 g of Cucumber (quarter) has 15 calories. It contains 3.6 g of carbs, 0.7 g of protein, 0.1 g of fat and 0.5 g of fiber. Its 16.4 µg of Vitamin K covers 14% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.
Selected: 100 g
15
KCAL / 100G
Carbs
3.6g
· 1% DV
Protein
0.7g
· 1% DV
Fat
0.1g
· 0% DV
Fiber
0.5g
· 2% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 80% · Protein 15% · Fat 5%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 15 kcal | |
| Total fat | 0.1 g | 0% |
| Saturated fat | 0.03 g | 0% |
| Trans fat | 0 g | |
| Sodium | 2 mg | 0% |
| Total carbohydrate | 3.6 g | 1% |
| Fiber | 0.5 g | 2% |
| Protein | 0.7 g | 1% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 80 g | 12 kcal |
| 1 slice (thin) | 20 g | 3 kcal |
| 1 slice (thick) | 35 g | 5 kcal |
| 1 piece (small) | 50 g | 8 kcal |
| 100 g | 100 g | 15 kcal |
| 1 piece (quarter) | 100 g | 15 kcal |
| 1 cup (chopped) | 120 g | 18 kcal |
| 1 piece (large) | 150 g | 23 kcal |
| 1 piece (whole) | 400 g | 60 kcal |
Calculated from 15 calories per 100 g.
Botanically, a cucumber is a fruit because it develops from a flower and contains seeds. In cooking, it is treated as a vegetable because of its mild, savoury flavour and common use in salads and savoury dishes.
A fresh cucumber feels firm and has taut, evenly coloured skin. Avoid cucumbers with soft spots, wrinkles, yellowing, or a shrivelled stem end. A cucumber that feels unusually light for its size may have dried out.
Cucumbers can taste bitter because they contain natural cucurbitacin compounds, which may be more noticeable near the ends. If only an end tastes mildly bitter, trim it; discard a cucumber that tastes strongly bitter throughout.
No, peeling a cucumber is not necessary; the skin is edible. Rinse it under running water and rub the surface before eating. Peel it if the skin is tough or you prefer a softer texture.
Yes, the soft seeds in an ordinary cucumber are edible and usually do not need to be removed. In an overripe cucumber they may be larger and tougher, so scoop out the centre if you want a crisper texture.
Store unwashed cucumbers dry in the refrigerator, ideally in the crisper drawer. Wrapping them loosely in a paper towel can help absorb excess moisture. Refrigerate cut cucumber in a covered container and use it soon.
Yes, but thawed cucumber becomes soft and watery, so it will not work well in a fresh salad. Freeze slices or chunks for use in smoothies, chilled drinks, or recipes where a crisp texture is not important.
Yes, dogs can eat plain cucumber in small, bite-sized pieces. Remove any seasoning, and offer only a little at first; large pieces can be a choking risk, especially for small dogs.
Cucumber can turn slimy when moisture collects on its surface and it begins to spoil. Discard pieces that feel slick, smell unpleasant, or show mould; keeping unwashed cucumbers dry helps them stay fresh longer.
Cucumber water is made by adding rinsed cucumber slices to a jug of cold water. Chill it so the flavour infuses, then remove the slices if you prefer; adding mint or citrus is optional.
Vitamins
Vitamin K
16.4µg · 14% DV
B5
0.3mg · 6% DV
Vitamin C
2.8mg · 3% DV
B2
0.04mg · 3% DV
Minerals
Potassium ⭐
147mg · 4% DV
Manganese
0.08mg · 3% DV
Phosphorus
24mg · 3% DV
Copper
0.03mg · 3% DV
Sodium
2mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 15 calories in 100 g:
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Cucumber is a crisp, mild-tasting vegetable usually eaten raw. A quarter cucumber makes a handy small portion: slice it into salads or sandwiches, serve it alongside a meal, or enjoy it as a snack. Across many cuisines, it is also paired with yoghurt in dips and chilled dishes; in Turkey, cucumber commonly appears at breakfast and in cacık.
It is mostly water, with very few calories and a little fibre, so it adds freshness without making a meal feel heavy. Pair it with tomatoes, herbs or a yoghurt-based dip, or add it to a sandwich for crunch. The peel is edible; wash the cucumber well before eating it unpeeled.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0.03g
MONOUNSATURATED
0.02g
POLYUNSATURATED
0.04g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.