340g Powdered Sugar in Cups

340 grams of powdered sugar is 2⅞ 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 340g of powdered sugar?

340 grams of powdered sugar equals:

2⅞
approximate cups
2.83
decimal cups
45
tablespoons
120g
per cup

Measuring by hand? That is 2 cups + 13 tablespoons. It is about 68% 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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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.

340 grams of Powdered Sugar is about 2⅞ cups, using a 236.588 millilitre cup at 120 grams per cup.

2⅞
cups
¼½¾1+ 2 full cups (showing the last one)
= 2.83 cups (decimal)
About 45.3 tablespoons or 136.0 teaspoons (approximate)
Measured out: 2 cups + 13 tablespoons
1 cup (236.588ml) = 120g

See the full 340g to cups guide →

See 340g powdered sugar to cups →

Quick conversions:

340g of powdered sugar vs other ingredients

Grams measure weight and cups measure volume, so the same 340 grams fills a different amount of cup for every ingredient:

Ingredient340g in cupsg per cup
Powdered Sugar2⅞ cups120
All-Purpose Flour2¾ cups125
Granulated Sugar1⅔ cups200
Butter1½ cups227

See all 340g conversions on the 340 grams to cups chart.

Nearby powdered sugar amounts

Grams of powdered sugarCupsTablespoons
275g2⅓ cups37 tbsp
280g2⅓ cups37 tbsp
300g2½ cups40 tbsp
320g2⅔ cups43 tbsp
350g2⅞ cups47 tbsp
360g3 cups48 tbsp
375g3⅛ cups50 tbsp
390g3¼ cups52 tbsp

Full ladder on the powdered sugar grams to cups chart.

Frequently Asked Questions

340 grams of powdered sugar is 2⅞ cups. In kitchen measures that is 2 cups + 13 tablespoons, worked out from 120 grams per US cup.

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