Skip to main content
Search ingredients

450g Powdered Sugar in Cups

450 grams of powdered sugar is 3¾ 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.

450 g of powdered sugar is

3¾ cups

3.75 US cups · 60 tbsp · 887 ml · 120 g per cup

To measure it · spoon and level

3 + ½ + ¼ cup

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

Measuring by hand? That is 3 + ½ + ¼ cup. It is about 90% 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.

450g of powdered sugar vs other ingredients

Ingredient450g in cupsPer cup
Powdered Sugar3¾ cups120 g
All-Purpose Flour3⅔ cups125 g
Granulated Sugar2¼ cups200 g
Butter2 cups227 g

See all 450g conversions on the 450 grams to cups chart.

Another ingredient or amount

Nearby powdered sugar amounts

GramsCupsTablespoons
400 g3⅓ cups53.3 tbsp
410 gabout 3⅓ cups54.7 tbsp
420 g3½ cups56 tbsp
425 g3½ cups56.7 tbsp
454 g3¾ cups60.5 tbsp
480 g4 cups64 tbsp
500 g4¼ cups66.7 tbsp
550 g4½ cups73.3 tbsp

Full ladder on the powdered sugar grams to cups chart.

Questions

How many cups is 450g of powdered sugar?

450 grams of powdered sugar is 3¾ cups. In kitchen measures that is 3 + ½ + ¼ cup, 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.

How do I measure 450g of powdered sugar without a scale?

Use 3 + ½ + ¼ cup. 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

Related tools