Cratox AI
Reviewed by Cratox Nutrition Team · Updated August 13, 2026

Onions, canned, solids and liquids vs Tomatoes, raw: nutrition compared

Nutrient (per 100 g)Onions, canned, solids and liquidsTomatoes, raw
Calories19 kcal20 kcal
Protein0.8 g0.8 g
Carbohydrates4 g4 g
Fat0.1 g0.3 g
Fibre1.2 g1.2 g
Sugar2.2 g2.6 g
Sodium371 mg4 mg

All values per 100 g. Source: USDA FoodData Central.

Onions, canned, solids and liquids - nutritional information

Onions, canned, solids and liquids

🔥 19 Calories
💪 0.8g Protein
4g Carbohydrates
🥑 0.1g Fat

Onions, canned, solids and liquids provides 19 kcal per 100 g, with 0.8 g of protein, 4 g of carbohydrates and 0.1 g of fat. 0.5 cups of Onions, canned, solids and liquids (112 g) provides about 21 kcal.

At a glance

A fast summary built from the current nutrition profile per 100g.

Category
Vegetables
Onions, canned, solids and liquids
Energy density
Light
19 kcal per 100g
Macro energy profile
Carb-led
16% Protein · 80% Carbohydrates · 4% Fat
Glycemic profile
Low GI
GI 10 · GL 1
Notable signals
Low in fatLow in sugarUSDA data

Nutritional Information

19
kcal/100g
Protein
0.8g
Carbohydrates
4g
Fat
0.1g
Glycemic Index:
10

Nutritional Information (per 100g)

NutrientAmount per 100 g
Calories19 kcal
Protein0.8 g
Carbohydrates4 g
Fat0.1 g
Fiber1.2 g
Sugar2.2 g
Sodium371 mg

USDA data · USDA FoodData Central

Calories per portion

PortionWeightCalories
0.5 cups112 g21 kcal
1 onion63 g12 kcal
100 g100 g19 kcal

Portion weights: USDA FoodData Central

Portion calculator

Calories
19 kcal
Protein
0.8 g
Carbohydrates
4 g
Fat
0.1 g
Fiber
1.2 g
Sugar
2.2 g
Sodium
371 mg

All values are computed from the per-100 g nutrition data (source: USDA).

About Onions, canned, solids and liquids

Onions, canned, solids and liquids are a convenient form of the raw onion, which is a bulbous vegetable belonging to the Allium family. Originating from Central Asia, onions have been cultivated for thousands of years and are now grown worldwide. They are often used in various cuisines for their pungent flavor and aroma, adding depth to dishes ranging from soups to salads. Canned onions provide a practical alternative to fresh onions, retaining much of their flavor and nutritional value while offering extended shelf life.

Nutritionally, canned onions are low in calories, providing about 19 calories per 100 grams. They contain approximately 0.8 grams of protein, 4 grams of carbohydrates, and 0.1 grams of fat. With significant amounts of fiber, onions support digestive health and contribute to a feeling of fullness. Their versatility makes them an excellent addition to numerous dishes, enhancing flavor without adding significant calories or fat, making them suitable for various dietary preferences.

Health Benefits

Rich in antioxidants that may reduce inflammation.
Contain compounds that support heart health by lowering blood pressure.
May help regulate blood sugar levels due to their low glycemic index.
Support digestive health with dietary fiber content.
Possess antibacterial properties that may help combat infections.
Can enhance immune function due to their vitamin C content.
May contribute to bone health by increasing calcium absorption.
Help improve skin health with their high antioxidant levels.
May aid in cancer prevention due to the presence of quercetin.
Support weight management by promoting satiety.

Recommended Food Pairings

🥗
Onions and bell peppers - together they create a sweet and savory flavor perfect for sautéing.
🥗
Onions and garlic - a classic combination that enhances the taste of sauces and marinades.
🥗
Onions and tomatoes - ideal for salads or salsas, balancing acidity with sweetness.
🥗
Onions and carrots - pair well in soups and stews, offering a hearty base.
🥗
Onions and potatoes - a comforting mix in casseroles and roasted dishes.

How to Consume

Serving size
150g, approximately 1 cup
Frequency
2-4 times per week
  • Add to stir-fries for extra flavor and nutrition.
  • Incorporate into soups for added depth.
  • Use as a topping for pizzas and salads.
  • Blend into dips for a flavorful twist.
  • Mix into casseroles for heartiness.

Selection & Storage

How to choose:

  • Choose cans that are free from dents or bulges to ensure safety.
  • Check the expiration date to guarantee freshness.
  • Look for cans with a clear label for added nutritional information.
  • Select products without added preservatives whenever possible.
Storage
Store unopened cans in a cool, dry place. Once opened, transfer contents to an airtight container and refrigerate.
Shelf life
Unopened canned onions can last for 2-3 years, while opened cans can be stored for up to 5-7 days in the refrigerator.

Warnings & Contraindications

  • ⚠️Individuals with onion allergies should avoid consumption.
  • ⚠️People with irritable bowel syndrome (IBS) may experience discomfort due to FODMAPs.
  • ⚠️Excessive consumption may lead to digestive issues such as gas and bloating.
  • ⚠️Canned onions may contain added sodium; rinse before use if watching salt intake.

Frequently Asked Questions

How many calories does Onions, canned, solids and liquids have?

Onions, canned, solids and liquids contain approximately 19 calories per 100 grams, making them a low-calorie food option.

Is Onions, canned, solids and liquids healthy?

Yes, they are healthy as they are low in calories and provide valuable nutrients such as fiber, vitamin C, and antioxidants that support overall health.

How should Onions, canned, solids and liquids be stored?

Store unopened cans in a cool, dry place. Once opened, transfer the contents to an airtight container and refrigerate for up to 5-7 days.

What are the benefits of eating Onions, canned, solids and liquids?

They offer numerous health benefits, including aiding digestion, supporting heart health, and providing essential vitamins and minerals.

How much Onions, canned, solids and liquids can I eat per day?

A recommended serving is about 150 grams, which can be consumed 2-4 times per week as part of a balanced diet.

How many calories are in 0.5 cups of Onions, canned, solids and liquids (112 g)?

0.5 cups of Onions, canned, solids and liquids (112 g) has about 21 kcal — 0.9 g protein, 4.5 g carbohydrates and 0.1 g fat (calculated from the USDA values per 100 g).

How many calories are in 1 onion of Onions, canned, solids and liquids (63 g)?

1 onion of Onions, canned, solids and liquids (63 g) has about 12 kcal — 0.5 g protein, 2.5 g carbohydrates and 0.1 g fat (calculated from the USDA values per 100 g).

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