EN

How many grams is 1 cup of onion?

1 cup = 160 g

One level US cup of onion weighs 160 g (5.6 oz). A tablespoon is 10 g. Per 100 g: 40 calories and 1.1 g protein.

Your amount

160 g1 cup
64Calories
1.8 gProtein

Conversion chart

Onion: cups to grams
cupsgramsCaloriesProtein
⅛ cup20 g80.2 g
¼ cup40 g160.4 g
⅓ cup53.3 g210.6 g
½ cup80 g320.9 g
⅔ cup107 g431.2 g
¾ cup120 g481.3 g
1 cup160 g641.8 g
1½ cup240 g962.6 g
2 cup320 g1283.5 g
3 cup480 g1925.3 g
4 cup640 g2567 g

How to measure

Fill the cup to the top and level it with a spatula.

One medium onion gives about 1 cup chopped.

Common questions

How many grams is 1 cup of onion?

1 cup of onion = 160 g. One medium onion gives about 1 cup chopped.

Is this a level or heaped cup?

Level. Heaped spoons and packed cups can weigh 20 to 30% more.

Why does my package say something different?

Brands grind and pack differently. For baking, a kitchen scale is always more accurate than cups.