320g Powdered Sugar in Cups

320 grams of powdered sugar is 2⅔ cups 120g per US cup. Large powdered-sugar weights are for layer-cake frostings and royal icing, where the sugar-to-fat ratio decides whether the icing sets or slumps.

How many cups is 320g of powdered sugar?

320 grams of powdered sugar equals:

2⅔
approximate cups
2.67
decimal cups
43
tablespoons
120g
per cup

Measuring by hand? That is 2 cups + 11 tablespoons. It is about 64% of a 500 g bag of powdered sugar.

Powdered sugar clumps and compacts in the bag. Sift or whisk it first, then spoon it into the cup — do not tap the cup down.

Grams to Cups Converter

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Quick select:
Powdered Sugar(Sugars & Sweeteners)
120g per cup
grams

Dedicated conversion guides use the default US customary cup.

Applies to this page only — the database value (120g per US cup) is unchanged.

320 grams of Powdered Sugar is about 2⅔ cups, using a 236.588 millilitre cup at 120 grams per cup.

2⅔
cups
¼½¾1+ 2 full cups (showing the last one)
= 2.67 cups (decimal)
About 42.7 tablespoons or 128.0 teaspoons (approximate)
Measured out: 2 cups + 11 tablespoons
1 cup (236.588ml) = 120g

See the full 320g to cups guide →

See 320g powdered sugar to cups →

Quick conversions:

320g of powdered sugar vs other ingredients

Grams measure weight and cups measure volume, so the same 320 grams fills a different amount of cup for every ingredient:

Ingredient320g in cupsg per cup
Powdered Sugar2⅔ cups120
All-Purpose Flour2½ cups125
Granulated Sugar1⅝ cups200
Butter1⅜ cups227

See all 320g conversions on the 320 grams to cups chart.

Nearby powdered sugar amounts

Grams of powdered sugarCupsTablespoons
260g2⅛ cups35 tbsp
275g2⅓ cups37 tbsp
280g2⅓ cups37 tbsp
300g2½ cups40 tbsp
340g2⅞ cups45 tbsp
350g2⅞ cups47 tbsp
360g3 cups48 tbsp
375g3⅛ cups50 tbsp

Full ladder on the powdered sugar grams to cups chart.

Frequently Asked Questions

320 grams of powdered sugar is 2⅔ cups. In kitchen measures that is 2 cups + 11 tablespoons, worked out from 120 grams per US cup.

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