Powdered Sugar Grams to Cups Converter

1 cup powdered sugar = 120 g

Quick Reference Table

GramsCups (US)
30 g0.25 cups
60 g0.5 cups
90 g0.75 cups
120 g1 cups
180 g1.5 cups
240 g2 cups
360 g3 cups
480 g4 cups

Powdered sugar (also called icing sugar or confectioners' sugar) is much lighter than granulated sugar, weighing approximately 120 grams per US cup. It's finely ground and airy, so it compresses easily — weighing it is strongly recommended for accurate results in frostings and glazes.

For granulated white sugar, see the sugar grams to cups converter.

Frequently Asked Questions

How many cups is 120g of powdered sugar?
Exactly 1 cup (sifted, not packed).
How many grams is 2 cups of powdered sugar?
2 cups of powdered sugar is 240 grams.
Is icing sugar the same as powdered sugar?
Yes — icing sugar, powdered sugar, and confectioners' sugar are the same thing. The density of 120g/cup applies to all.

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