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Vegetables

Red onion: weights & conversions

A US cup of red onion weighs about 160 g. One weighs about 110 g. 100 g is 40 calories and 1.1 g of protein.

Also written as: בצל סגול.

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1 cup of red onion is about 160 grams.

Cups to grams

What each measure of red onion weighs, from the cup weight above.

red onion volume conversions
VolumeGramsOunces
1 cup160 g5.64 oz
3/4 cup120 g
2/3 cup107 g
1/2 cup80 g
1/3 cup53.3 g
1/4 cup40 g
1 tablespoon10 g
1 teaspoon3.33 g

Weight per piece

What a recipe means when it counts red onion instead of weighing it.

red onion count conversions
CountGramsOunces
1 red onion110 g3.88 oz
2 red onions220 g
3 red onions330 g
4 red onions440 g
6 red onions660 g
12 red onions1320 g

Ounces and pounds

The weights an older recipe card is most likely to use.

red onion weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for red onion by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)401.1 g0.1 g9.3 g1.7 g4 mg
Per cup (160 g)641.76 g0.16 g14.9 g2.72 g6 mg
Per tablespoon (10 g)40.11 g0.01 g0.93 g0.17 g0 mg
Per red onion (110 g)441.21 g0.11 g10.2 g1.87 g4 mg
Per 4 oz (113 g)451.25 g0.11 g10.5 g1.93 g5 mg

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Common questions

How many grams are in a cup of red onion?
One US cup of red onion weighs about 160 g (5.64 oz). A tablespoon is about 10 g and a teaspoon about 3.33 g.
How many cups is 100 g of red onion?
100 g of red onion is about 0.63 cups — near enough to 5/8 of a cup in a measuring cup.
How much does one red onion weigh?
One red onion weighs about 110 g (3.88 oz), so a pound is roughly 4 of them.
How many calories are in red onion?
Red onion has about 40 calories per 100 g, which works out to roughly 64 calories a cup.

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