Illustration of an onion

Vegetables

Onion

Onion

A common aromatic vegetable. Food DB tracks piece, half piece, and sliced cup conversions.

Conversions Nutrition Seasonal Sourced
1 onion=200g
Range: 180-220gHigh confidence1sources
Amount

Common weights

1 medium=200g180-220gHigh
1/2 onion=100gHigh
1/4 onion=50gHigh
1 cup sliced=70gMedium
1 cup chopped=160gHigh

Nutrition

Energy 33kcal
Protein 1g
Fat 0.1g
Carbs 8.4g
Salt equivalent 0g
Show vitamins & minerals
Dietary fiber 1.5g
Calcium 17mg
Iron 0.3mg
Potassium 150mg
Magnesium 9mg
Zinc 0.2mg
Vitamin A 0μg
Vitamin B1 0.04mg
Vitamin B2 0.01mg
Vitamin B6 0.14mg
Vitamin B12 0μg
Vitamin C 7mg
Vitamin D 0μg
Vitamin E Trace
Vitamin K 0μg
Folate 15μg

Season

Storage

  • Room temp: cool and ventilated
  • Refrigerate cut onion in a sealed container
  • Freeze sliced or chopped onion

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