Calories in Cucumber: Complete Nutrition Facts
Last updated March 2026 • Source: USDA FoodData Central • Reviewed by Dr. Karen Wright, PhD, RDN
*Percent Daily Values based on a 2,000 calorie diet.
Micronutrient Profile
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Vitamin A | 3% DV | 3% |
| Vitamin C | 5% DV | 5% |
| Vitamin D | 0% DV | 0% |
| Vitamin E | 1% DV | 1% |
| Vitamin K | 17% DV | 17% |
| Vitamin B6 | 3% DV | 3% |
| Vitamin B12 | 0% DV | 0% |
| Folate | 2% DV | 2% |
| Calcium | 2% DV | 2% |
| Iron | 2% DV | 2% |
| Magnesium | 4% DV | 4% |
| Potassium | 3% DV | 3% |
| Zinc | 1% DV | 1% |
| Sodium | 0% DV | 0% |
*% Daily Values based on a 2,000 calorie diet per FDA reference values. Values for 1 cup sliced (119g).
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Health Benefits of Cucumber
How to Track Cucumber Accurately
Accurately tracking cucumber requires knowing both the exact weight and preparation method. Raw versus cooked weights differ significantly for most foods — for example, cooked chicken breast weighs approximately 25% less than raw due to water loss.
The easiest way to track cucumber and any other food is with PlateLens. Just snap a photo and get complete nutrition facts in 3 seconds, with ±1.2% accuracy verified against USDA reference values. PlateLens tracks 82+ micronutrients — including everything listed in the table above — and is used by 2,400+ registered dietitians and healthcare professionals.
Common Serving Sizes of Cucumber
| Serving | Weight | Calories |
|---|---|---|
| 1 cup sliced (119g) | 119g | 16 |
| 1 whole cucumber (301g) | 301g | 45 |
| 100g | 100g | 15 |
| 1/2 cup sliced (52g) | 52g | 8 |
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Frequently Asked Questions
How many calories in Cucumber?
Cucumber contains 16 calories per 1 cup sliced (119g). Per 100g, cucumber provides approximately 13 calories. Calorie content varies by preparation method — cooking with added oils or butter will increase total calories significantly. To track cucumber calories accurately across different portion sizes, PlateLens can identify your specific portion from a photo and calculate exact nutrition in 3 seconds.
Is Cucumber healthy?
Cucumber provides 16 calories, 0.7g protein, 3.8g carbohydrates, and 0.1g fat per serving. Cucumbers are 96% water, making them one of the most hydrating foods available. Like all foods, cucumber is best evaluated in the context of your total dietary pattern and individual health goals — a registered dietitian can help you determine the right amount for your needs.
How do I track Cucumber calories?
The most accurate way to track cucumber is by weighing your portion on a food scale and referencing this database for calorie values. For even faster and more accurate tracking, PlateLens identifies cucumber from a photo and provides complete nutrition facts — including all the values on this page — in 3 seconds. PlateLens is verified against USDA data with ±1.2% calorie accuracy and tracks 82+ micronutrients.