Cucumber Nutrition Facts
A 100 g serving of cucumber contains 15.0 kcal, 0.6g protein (lime), 0.2g fat (pink) and 3.7g carbohydrate (blue). It has no fiber and almost no sugar. Its other nutrient values are modest — see the full breakdown below.
Core Nutrients per 100 g
PER 100 G SERVINGThe six values MacroDrop shows on every meal card: energy, the three macros, fiber and sugars.
Extended Nutrients
PER 100 G SERVINGGrouped as in the app: lipids, minerals, vitamins and other compounds sit one level below the core six. Daily values follow the FDA 2,000 kcal reference.
Understanding Cucumber Nutrition
Cucumber is a low-calorie vegetable that delivers fiber, vitamins and minerals for very few calories. At 15.0 kcal per 100 g serving, it provides 0.6g of protein, 3.7g of carbohydrate and 0.2g of fat. It has no fiber and almost no sugar.
For athletes and anyone tracking macros, cucumber is a straightforward source of carbohydrate energy, useful around training for topping up glycogen. Its fiber and micronutrient content makes it a useful addition to a balanced macro split without pulling calories too high.
Frequently Asked Questions
How many calories are in a 100 g serving of cucumber?
A 100 g serving of cucumber has 15.0 kcal, 0.6g protein, 0.2g fat and 3.7g carbohydrate.
How much protein is in cucumber?
0.6g per 100 g serving.
Is cucumber high in sugar or fiber?
It has no fiber and almost no sugar — 0.6g fiber and 1.7g sugar per 100 g serving.
Which nutrients is cucumber richest in?
No single micronutrient stands out sharply — see the full breakdown below.
Is cucumber good for tracking macros?
For athletes and anyone tracking macros, cucumber is a straightforward source of carbohydrate energy, useful around training for topping up glycogen.
Log the cucumber in two seconds
MacroDrop tracks all of these nutrients — core and extended — from a photo, your voice or a barcode. Offline USDA database, 7,800 foods.
Values come from the USDA FoodData Central entry Cucumber, with peel, raw (FDC ID 168409), per 100 g. Daily values follow the FDA 2,000 kcal reference. Last reviewed August 2026.