Nutrition facts per 100 g

Energy32 kcal
Protein1.8 g
Carbohydrates7.3 g
– of which sugars2.3 g
Fat0.2 g
– of which saturates0 g
Fibre2.6 g
Salt0.03 g

Vitamins and minerals (100 g)

Calcium72 mg
Iron1.5 mg
Potassium276 mg
Vitamin C18.8 mg

Calories per serving

ServingWeightkcalProtein
1 stalk (15 g)15 g5 kcal0.3 g
1 serving (100 g)100 g32 kcal1.8 g

Where does the energy come from?

  • 19% Protein
  • 76% Carbohydrates
  • 5% Fat

About 19% of the energy comes from protein, 76% from carbohydrates and 5% from fat.

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

Frequently asked questions

How many calories are in 100 g of spring onion?

100 g of spring onion has 32 kcal. For example, 1 stalk (15 g) has about 5 kcal.

How much protein is in 100 g of spring onion?

100 g contains 1.8 g of protein, which is about 19% of the energy.

Is spring onion good for weight loss?

The energy density is low: even a large portion of spring onion 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. Products in the RestinCal food database may also be added by users, so the data may contain errors or gaps. 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.