Nutrition facts per 100 g

Energy15 kcal
Protein0.7 g
Carbohydrates3.6 g
– of which sugars1.7 g
Fat0.1 g
– of which saturates0 g
Fibre0.5 g
Salt0 g

Vitamins and minerals (100 g)

Calcium16 mg
Potassium147 mg
Vitamin C2.8 mg

Calories per serving

ServingWeightkcalProtein
1 piece (300 g)300 g45 kcal2.1 g
100 g100 g15 kcal0.7 g

Where does the energy come from?

  • 15% Protein
  • 80% Carbohydrates
  • 5% Fat

About 15% of the energy comes from protein, 80% from carbohydrates and 5% from fat.

The energy density is low: even a large portion of cucumber has few calories, so it works well for keeping you full.

Frequently asked questions

How many calories are in 100 g of cucumber?

100 g of cucumber has 15 kcal. For example, 1 piece (300 g) has about 45 kcal.

How much protein is in 100 g of cucumber?

100 g contains 0.7 g of protein, which is about 15% of the energy.

Is cucumber good for weight loss?

The energy density is low: even a large portion of cucumber has few calories, so it works well for keeping you full. What matters most is your total daily energy: log the portion in the food diary and you will see right away how it fits your calorie target.

What is RestinCal?

RestinCal is a free food diary and calorie counter made in Finland. Its maker lost almost 40 kilos by logging his meals, and the service is built for the same everyday use:

How to count calories: a beginner's guide
Data source and accuracy (2026) The nutrition values come from the RestinCal food database and are 2026 data. They are average estimates and may contain errors: composition varies by brand, cooking method and harvest. Check the package label when needed. Report an error · Updated 3 October 2026
Note: This page is general information, not nutrition advice. If you have a medical condition or a special diet, talk to a dietitian or a doctor.