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Sugars & syrups

Powdered sugar: weights & conversions

A US cup of powdered sugar weighs about 120 g. 100 g is 389 calories and 0 g of protein.

Also written as: confectioners sugar, confectioner sugar, icing sugar, sifted powdered sugar, confectionery sugar, 10x sugar.

Convert any amount

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1 cup of powdered sugar is about 120 grams.

Cups to grams

What each measure of powdered sugar weighs, from the cup weight above.

powdered sugar volume conversions
VolumeGramsOunces
1 cup120 g4.23 oz
3/4 cup90 g
2/3 cup80 g
1/2 cup60 g
1/3 cup40 g
1/4 cup30 g
1 tablespoon7.5 g
1 teaspoon2.5 g

Ounces and pounds

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

powdered sugar 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 powdered sugar by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)3890 g0 g99.8 g0 g2 mg
Per cup (120 g)4670 g0 g120 g0 g2 mg
Per tablespoon (7.5 g)290 g0 g7.49 g0 g0 mg
Per 4 oz (113 g)4410 g0 g113 g0 g2 mg

Using powdered sugar in a recipe?

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Cook with powdered sugarLava CakesRead this free recipe →

If you have run out

  • One cup of granulated sugar blended with one tablespoon of cornstarch until powdery.

Free recipes that use powdered sugar

From our starter library — free to read, free to save into your own cookbook.

Common questions

How many grams are in a cup of powdered sugar?
One US cup of powdered sugar weighs about 120 g (4.23 oz). A tablespoon is about 7.5 g and a teaspoon about 2.5 g.
How many cups is 100 g of powdered sugar?
100 g of powdered sugar is about 0.83 cups — near enough to 7/8 of a cup in a measuring cup.
How many calories are in powdered sugar?
Powdered sugar has about 389 calories per 100 g, which works out to roughly 467 calories a cup.
What can I use instead of powdered sugar?
One cup of granulated sugar blended with one tablespoon of cornstarch until powdery.

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