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How Many Calories in Onions, Spring or Scallions (includes Tops and Bulb), Raw?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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32
calories per 100g
5 calories per 1 medium (15g)
1.8gProtein
7.3gCarbs
0.2gFat
2.6gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)9 kcal0.5g
100g32 kcal1.8g
1 medium5 kcal0.3g
grams
32kcal
1.8gprotein
7.3gcarbs
0.2gfat
2.6gfibre

A onions, spring or scallions (includes tops and bulb), raw contains 32 calories per 100g. A typical 1 medium (15g) provides about 5 calories. Onions, Spring or Scallions (includes Tops and Bulb), Raw is low in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Onions, Spring or Scallions (includes Tops and Bulb), Raw Nutrition Facts

NutrientPer 100gPer serving (15g)
Calories32 kcal5 kcal
Protein1.8g0.3g
Carbohydrates7.3g1.1g
of which Sugars2.3g0.3g
Fat0.2g0.0g
of which Saturates0.0g0.0g
Fibre2.6g0.4g
Sodium16.0mg2mg
Potassium276.0mg41mg
Calcium72.0mg11mg
Iron1.5mg0.2mg
Vitamin C18.8mg2.8mg
Vitamin A50.0µg8µg
Selenium0.6µg0µg
Riboflavin (B2)0.1mg0.0mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

Useful for tracking onions, spring or scallions (includes tops and bulb), raw

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Have a cat or dog? Check whether onions, spring or scallions (includes tops and bulb), raw is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out onions, spring or scallions (includes tops and bulb), raw for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Cooking method matters here too — boiling can leach some water-soluble vitamins into the cooking water, while steaming or roasting tends to retain more.

Does onions, spring or scallions (includes tops and bulb), raw fit your diet?

Weight management

At 32 calories per 100g, onions, spring or scallions (includes tops and bulb), raw is calorie-light relative to its volume, which can help keep a meal within a calorie target without needing very small portions.

Frequently Asked Questions

How many calories in onions, spring or scallions (includes tops and bulb), raw per 100g?

Onions, Spring or Scallions (includes Tops and Bulb), Raw contains 32 calories per 100g, based on USDA reference data.

Is onions, spring or scallions (includes tops and bulb), raw high in calories?

A 1 medium of onions, spring or scallions (includes tops and bulb), raw (15g) has around 5 calories — roughly 0% of a 2,000-calorie daily intake.

Is onions, spring or scallions (includes tops and bulb), raw good for weight loss?

At 32 calories per 100g, onions, spring or scallions (includes tops and bulb), raw is relatively low in calories and can fit well into a weight-loss diet. A 1 medium provides about 5 calories.

How much protein is in onions, spring or scallions (includes tops and bulb), raw?

Onions, Spring or Scallions (includes Tops and Bulb), Raw contains 1.8g of protein per 100g.

Is onions, spring or scallions (includes tops and bulb), raw a good source of fibre?

Onions, Spring or Scallions (includes Tops and Bulb), Raw is relatively low in fibre at 2.6g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does onions, spring or scallions (includes tops and bulb), raw compare to collards, raw?

Onions, Spring or Scallions (includes Tops and Bulb), Raw has 32 calories per 100g, close to collards, raw at 32 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of onions, spring or scallions (includes tops and bulb), raw for 20g of protein?

With 1.8g of protein per 100g, you'd need roughly 1111g of onions, spring or scallions (includes tops and bulb), raw to reach 20g of protein

Foods with a similar calorie count

Other vegetables closest to onions, spring or scallions (includes tops and bulb), raw by calories per 100g:

FoodCaloriesProteinCarbsFat
Onions, Spring or Scallions (includes Tops and Bulb), Raw (this page)32 kcal1.8g7.3g0.2g
Collards, Raw32 kcal3.0g5.4g0.6g
Cress, Garden, Raw32 kcal2.6g5.5g0.7g
Lambsquarters, Cooked, Boiled, Drained, without Salt32 kcal3.2g5.0g0.7g
Onions, Sweet, Raw32 kcal0.8g7.5g0.1g
Tomato Products, Canned, Sauce, with Tomato Tidbits32 kcal1.3g7.1g0.4g
Turnip Greens, Raw32 kcal1.5g7.1g0.3g

More kit for onions, spring or scallions (includes tops and bulb), raw tracking

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Last updated:

Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.