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255g Powdered Sugar in Cups

255 grams of powdered sugar is 2⅛ 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 255g of powdered sugar?

255 grams of powdered sugar equals:

2⅛
approximate cups
2.13
decimal cups
34
tablespoons
120g
per cup

Measuring by hand? That is 2 cups + 2 tablespoons. It is about 51% 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.

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Grams to Cups Converter

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Powdered SugarSugars & Sweeteners
120g per cup
grams

255 grams of Powdered Sugar is about 2⅛ cups, using a 236.588 millilitre cup at 120 grams per cup.

Reading

2⅛
cups
¼½¾1+ 2 full cups (showing the last one)
cups
2.13
tbsp
34.0
tsp
102.0
About 34.0 tablespoons or 102.0 teaspoons (approximate)
Measured out: 2 cups + 2 tablespoons
1 cup (236.588ml) = 120g

See the full 255g to cups guide →

See 255g powdered sugar to cups →

US customary cup (236.588ml) · 120g per cup

Dedicated conversion guides use the default US customary cup.

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

Quick conversions:

255g of powdered sugar vs other ingredients

Grams measure weight and cups measure volume, so the same 255 grams fills a different amount of cup for every ingredient:

Ingredient255g in cupsg per cup
Powdered Sugar2⅛ cups120
All-Purpose Flour2 cups125
Granulated Sugar1¼ cups200
Butter1⅛ cups227

See all 255g conversions on the 255 grams to cups chart.

Nearby powdered sugar amounts

Grams of powdered sugarCupsTablespoons
227g1⅞ cups30 tbsp
230g1⅞ cups31 tbsp
240g2 cups32 tbsp
250g2⅛ cups33 tbsp
260g2⅛ cups35 tbsp
275g2⅓ cups37 tbsp
280g2⅓ cups37 tbsp
300g2½ cups40 tbsp

Full ladder on the powdered sugar grams to cups chart.

Common questions

Frequently Asked Questions

How many cups is 255g of powdered sugar?

255 grams of powdered sugar is 2⅛ cups. In kitchen measures that is 2 cups + 2 tablespoons, worked out from 120 grams per US cup.

How many grams are in 1 cup of powdered sugar?

One US cup of powdered sugar weighs about 120 grams, one tablespoon about 7.5 grams, and one teaspoon about 2.5 grams. This page divides 255 grams by that cup weight.

Is 255g of powdered sugar the same as 255g of all-purpose flour?

No. 255g of powdered sugar is 2⅛ cups, while 255g of all-purpose flour is 2 cups. Same weight on the scale, different volume in the cup, because the two have different densities.

How do I measure 255g of powdered sugar without a scale?

Use 2 cups + 2 tablespoons. 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.

Is it better to weigh powdered sugar or measure it in cups?

Weighing is more accurate, especially in baking, because it removes the variation in how the powdered sugar is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.