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300g Powdered Sugar in Cups

300 grams of powdered sugar is 2½ 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.

300 g of powdered sugar is

2½ cups

2.5 US cups · 40 tbsp · 591 ml · 120 g per cup

To measure it · spoon and level

2½ cups

Rest of the recipe in grams? Paste it and every line comes back in cups. Free, no sign-in.

Measuring by hand? That is 2½ cups. It is about 60% 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.

300g of powdered sugar vs other ingredients

Ingredient300g in cupsPer cup
Powdered Sugar2½ cups120 g
All-Purpose Flour2⅓ cups + 1 tbsp125 g
Granulated Sugar1½ cups200 g
Butter1⅓ cups227 g

See all 300g conversions on the 300 grams to cups chart.

Another ingredient or amount

Nearby powdered sugar amounts

GramsCupsTablespoons
260 g2 cups + 2½ tbsp34.7 tbsp
270 g2¼ cups36 tbsp
275 g2⅓ cups36.7 tbsp
280 g2⅓ cups37.3 tbsp
320 g2⅔ cups42.7 tbsp
340 g2¾ cups + 1½ tbsp45.3 tbsp
350 g2¾ cups + 2½ tbsp46.7 tbsp
360 g3 cups48 tbsp

Full ladder on the powdered sugar grams to cups chart.

Questions

How many cups is 300g of powdered sugar?

300 grams of powdered sugar is 2½ cups, because one US cup weighs 120 grams.

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.

How do I measure 300g of powdered sugar without a scale?

Use 2½ cups. 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. Without a scale, use the cup figure above and measure the same way throughout the recipe.

Weights are per US cup, spooned and levelled. How we calculate

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