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How Many Calories in Onions, Welsh, Raw?

Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by our editorial team. Last reviewed: 5 September 2026.

Fact-checked against original USDA source data by our editorial team.

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34
calories per 100g
34 calories per ['100g serving', 100] (100g)
1.9gProtein
6.5gCarbs
0.4gFat
2.4gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)10 kcal0.5g
100g34 kcal1.9g
grams
34kcal
1.9gprotein
6.5gcarbs
0.4gfat
2.4gfibre

A onions, welsh, raw contains 34 calories per 100g. A typical ['100g serving', 100] (100g) provides about 34 calories. Onions, Welsh, Raw is low in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Onions, Welsh, Raw Nutrition Facts

NutrientPer 100gPer serving (100g)
Calories34 kcal34 kcal
Protein1.9g1.9g
Carbohydrates6.5g6.5g
of which Sugars2.2g2.2g
Fat0.4g0.4g
of which Saturates0.1g0.1g
Fibre2.4g2.4g
Sodium17.0mg17mg
Potassium212.0mg212mg
Calcium18.0mg18mg
Iron1.2mg1.2mg
Vitamin C27.0mg27.0mg
Vitamin A0.0µg0µg
Selenium0.6µg1µg
Riboflavin (B2)0.1mg0.1mg

% 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, welsh, raw

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Have a cat or dog? Check whether onions, welsh, 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, welsh, 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, welsh, raw fit your diet?

Weight management

At 34 calories per 100g, onions, welsh, 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, welsh, raw per 100g?

Onions, Welsh, Raw contains 34 calories per 100g, based on USDA reference data.

Is onions, welsh, raw high in calories?

A ('100g serving', 100) of onions, welsh, raw (100g) has around 34 calories — roughly 2% of a 2,000-calorie daily intake.

Is onions, welsh, raw good for weight loss?

At 34 calories per 100g, onions, welsh, raw is relatively low in calories and can fit well into a weight-loss diet. A ('100g serving', 100) provides about 34 calories.

How much protein is in onions, welsh, raw?

Onions, Welsh, Raw contains 1.9g of protein per 100g.

Is onions, welsh, raw a good source of fibre?

Onions, Welsh, Raw is relatively low in fibre at 2.4g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does onions, welsh, raw compare to balsam-pear (bitter gourd), leafy tips, cooked, boiled?

Onions, Welsh, Raw has 34 calories per 100g, close to balsam-pear (bitter gourd), leafy tips, cooked, boiled at 34 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of onions, welsh, raw for 20g of protein?

With 1.9g of protein per 100g, you'd need roughly 1053g of onions, welsh, raw to reach 20g of protein

Foods with a similar calorie count

Other vegetables closest to onions, welsh, raw by calories per 100g:

FoodCaloriesProteinCarbsFat
Onions, Welsh, Raw (this page)34 kcal1.9g6.5g0.4g
Balsam-pear (bitter Gourd), Leafy Tips, Cooked, Boiled34 kcal3.6g6.7g0.2g
Broccoli34 kcal2.8g6.6g0.4g
Cowpeas, Young Pods with Seeds, Cooked, Boiled34 kcal2.6g7.0g0.3g
Jute, Potherb, Raw34 kcal4.7g5.8g0.2g
Mushrooms, Shiitake, Raw34 kcal2.2g6.8g0.5g
Pumpkin, Canned, without Salt34 kcal1.1g8.1g0.3g

More kit for onions, welsh, raw tracking

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Last updated:

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