Nutrition facts per 100 g

Energy341 kcal
Protein10.4 g
Carbohydrates79.1 g
– of which sugars26 g
Fat1 g
– of which saturates0.1 g
Fibre8.8 g
Salt0.18 g

Vitamins and minerals (100 g)

Calcium383 mg
Iron2.2 mg
Potassium985 mg

Calories per serving

ServingWeightkcalProtein
1 tsp (3 g)3 g10 kcal0.3 g
100 g100 g341 kcal10.4 g

Where does the energy come from?

  • 11% Protein
  • 86% Carbohydrates
  • 2% Fat

About 11% of the energy comes from protein, 86% from carbohydrates and 2% from fat.

There is a lot of energy per 100 g, but spices are usually used a teaspoon or two at a time, so their share of your daily calories stays very small.

Frequently asked questions

How many calories are in 100 g of onion powder?

100 g of onion powder has 341 kcal. For example, 1 tsp (3 g) has about 10 kcal.

How much protein is in 100 g of onion powder?

100 g contains 10.4 g of protein, which is about 11% of the energy.

Is onion powder good for weight loss?

There is a lot of energy per 100 g, but spices are usually used a teaspoon or two at a time, so their share of your daily calories stays very small. 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.