Food guide
Cucumber: nutrition and portions
Raw cucumber with peel: 15 kcal and 0.65 g protein per 100 g. Explore household weights, preparation notes and a calculator for your portion.
The short answer
Raw cucumber with peel has 15 kcal, 0.65 g protein, 3.6 g carbohydrate, 0.1 g fat and 0.5 g fibre per 100 g.
Nutrition calculator
What's in your portion?
Raw cucumber with peel. Adjust the edible weight to calculate nutrition.
- Energy
- 15 kcal
- Protein
- 0.7 g
- Carbohydrate
- 3.6 g
- Fat
- 0.1 g
- Fibre
- 0.5 g
This calculates nutrition only. These weights are not tested FODMAP limits or recommended servings.
What does this say about FODMAPs?
This USDA record does not establish a FODMAP rating or a tested serving limit for cucumber. Use this page to understand the preparation and nutrition, and discuss food-specific guidance with your dietitian.
The nutrition calculator uses grams for raw cucumber with peel. It does not measure FODMAP content, determine a personal tolerance, or account for other ingredients.
Use the matching preparation
This record includes the peel. Pickles and peeled cucumber are different entries; a jar label is a better guide to added ingredients.
Nutrition at common portion weights
| Portion | Weight | Energy | Protein |
|---|---|---|---|
| 1 cucumber (8-1/4") | 301 g | 45 kcal | 2.0 g |
| 0.5 cup slices | 52 g | 8 kcal | 0.3 g |
Values are per 100 g from USDA FoodData Central, scaled by weight and rounded for display. Bornly's matching reference entry is “Cucumber, Fresh”. Missing nutrients remain unavailable, not zero.
Questions
Common questions.
- How many calories are in cucumber?
- Raw cucumber with peel has 15 kcal per 100 g in USDA FoodData Central. 1 cucumber (8-1/4") (301 g) gives about 45 kcal.
- How much protein is in cucumber?
- Raw cucumber with peel has 0.7 g of protein per 100 g. 1 cucumber (8-1/4") (301 g) gives about 2 g.
- How much carbohydrate and fibre does cucumber have?
- Raw cucumber with peel has 3.6 g of carbohydrate per 100 g. Dietary fibre is 0.5 g per 100 g.
- Is cucumber low FODMAP?
- This page does not rate it. The USDA record describes nutrition, not FODMAP content or a tested serving limit. If you follow a low FODMAP diet, ask your dietitian about portions during the restriction and reintroduction phases.
Sources
Sources and review notes.
- 01 USDA FoodData Central
- Cucumber, Fresh, record 168409 (SR Legacy)Checked 11 September 2026
