8 piece (medium) of Boiled Pearl Onion (80 g) has 22 calories. That works out to 28 calories per 100 g. It contains 5.2 g of carbs, 0.7 g of protein, 0.1 g of fat and 1.3 g of fiber. Its 5.9 mg of Vitamin C covers 7% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.

Boiled Pearl Onion Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

6.5g

· 2% DV

Protein

0.9g

· 2% DV

Fat

0.1g

· 0% DV

Fiber

1.6g

· 6% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 85% · Protein 12% · Fat 3%

Boiled Pearl Onion Vitamins & Minerals

Vitamins

Vitamin C

7.4mg · 8% DV

0.12mg · 7% DV

Folate

19µg · 5% DV

0.04mg · 3% DV

Minerals

Phosphorus

29mg · 4% DV

Potassium ⭐

119mg · 4% DV

Calcium

24mg · 2% DV

Magnesium

9mg · 2% DV

How Nutritious Is Boiled Pearl Onion?

Nutrient density

Medium

55/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

47/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Boiled Pearl Onion Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Boiled Pearl Onion

To burn the 28 calories in 100 g:

🚶

7min

Walking (5 km/h)

🏃

3min

Running (8 km/h)

🚴

4min

Cycling

🏊

3min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Boiled Pearl Onion Processed?

NOVA 2

Minimally Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Boiled Pearl Onion Contain Allergens?

No known major allergens

Gluten free

Dairy free

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Boiled Pearl Onion Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Boiled Pearl Onion Fat Profile

SATURATED

0.02g

MONOUNSATURATED

0.01g

POLYUNSATURATED

0.03g

⚖️

Omega 6:3 ratio 2:1

Below the ideal 4:1 — a good omega balance.

Compare Boiled Pearl Onion

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Boiled Pearl Onion vs Tomato10 kcal more per 100 g

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Boiled Pearl Onion vs Mixed Green Salad10 kcal more per 100 g

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Boiled Pearl Onion vs Red Pepper3 kcal fewer per 100 g

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Boiled Pearl Onion vs Boiled Beetroot16 kcal fewer per 100 g

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Foods Similar to Boiled Pearl Onion

🍅

Tomato

18 kcal

🥗

Mixed Green Salad

18 kcal

🫑

Red Pepper

31 kcal

🥄

Boiled Beetroot

44 kcal

🫑

Green pepper

20 kcal

🥗

Potato Salad

110 kcal

🥗

Arugula

25 kcal

🥕🥦🍆

Oven-Roasted Mixed Vegetables

65 kcal

Frequently Asked Questions About Boiled Pearl Onion

How many calories are in boiled pearl onions?

Boiled pearl onions provide 28 calories per 100 g. The same serving contains 6.5 g of carbohydrates, 0.9 g of protein, and 0.1 g of fat.

Are boiled pearl onions suitable for a low-glycemic diet?

Boiled pearl onions have a glycemic index of 15, which is low. They also provide 1.6 g of fiber per 100 g.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 23, 2026