How Many Calories Are in a Cucumber?

A whole cucumber weighing around 301 g has about 33 calories.

Per 100 g, raw cucumber contains approximately 11 calories.

Calories in cucumber by serving

Cucumbers can differ considerably in size, so the calorie count depends mainly on the weight of the cucumber you eat.

Serving Calories Weight
1/2 cucumber 17 kcal 151 g
1 cup sliced 11 kcal 104 g
1 whole cucumber 33 kcal 301 g
Per 100 g 11 kcal 100 g

Calculate calories for your cucumber

Not sure how large your cucumber is? Weigh the amount you are eating and enter the weight below.

301 g of cucumber 33 kcal
Protein
1.8 g
Carbohydrates
4.5 g
Fat
0.3 g
Fiber
2.1 g

Calculated from average nutrition values per 100 g. Individual cucumbers naturally vary.

One cucumber is easy. A whole day gets harder.

Kibora helps you log meals quickly by photo, voice, barcode, text, or favorites, then puts calories and nutrition into the context of your whole day.

Nutrition data and methodology

Nutrition values are based on the Danish Frida Food Data database. Common cucumber serving weights are based on USDA nutrition reference data.

Cucumbers naturally differ in size, variety, and composition, so nutrition values should be treated as practical estimates rather than exact measurements.

Common questions about cucumber calories

How many calories are in a whole cucumber?

A whole cucumber weighing around 301 g contains about 33 calories.

How many calories are in 100 g of cucumber?

Raw cucumber contains approximately 11 calories per 100 g.

How many calories are in half a cucumber?

Half of a 301 g cucumber weighs around 151 g and contains approximately 17 calories.

How many calories are in a cup of sliced cucumber?

One cup of sliced cucumber weighing around 104 g contains approximately 11 calories.

Should I weigh cucumber with the peel?

These values are for raw cucumber as normally eaten. If you remove the peel, weigh the portion you actually eat for the most practical estimate.

How many calories should you eat per day?

Knowing how many calories are in cucumber is useful. Knowing how that fits into your own day is more useful.