Cucumber Calories and Macros — Nutrition Facts per ½ cup slices (52g)

A serving of cucumber — ½ cup slices (52g) — comes to 7 calories, with 0.3g of protein, 1.6g of carbs, and 0.1g of fat. Below is the complete USDA-sourced breakdown, plus how those numbers play with typical calorie and macro targets.

Cucumber nutrition facts

*Percent Daily Values are based on a 2,000-calorie diet. Source: USDA FoodData Central.

How does cucumber fit your goals?

Cucumber is a carb-dominant food, with 1.6g of carbohydrate per ½ cup slices (52g). That makes it a useful pre- or post-training fuel source, especially for endurance work or higher-volume strength sessions. If you're tracking for fat loss, the lever isn't avoiding carbs — it's portioning them around the parts of your day where the energy is actually used.

Diet-wise, cucumber fits keto, low-carb, and vegan and vegetarian eating patterns.

How cucumber compares to other vegetables

Tracking cucumber in Bento Bunny

Logging foods like cucumber manually means digging through a database, picking the right entry, and adjusting the serving size — multiple taps per meal. With Bento Bunny's AI photo tracking, you snap one picture and the macros land in your daily total automatically. For cucumber specifically, the model recognises typical portion sizes well, so the numbers above will land within a few percent of what you'd get from manual weighing.

Related foods

• Celery calories and macros
• Zucchini calories and macros
• Romaine Lettuce calories and macros
• Tomato calories and macros

Browse all vegetables in the food database.