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16 oz of Powdered Sugar to Cups

16 ounces of powdered sugar = about 3¾ cups

That's 3.78 US cups, or 3.58 metric cups (250 ml).

16 ounces of powdered sugar in other units

Grams
454
US cups
3.78
Metric cups (250 ml)
3.58
Tablespoons
60.5
Milliliters
894

Powdered Sugar converter

16 ounces = about 3¾ cups (3.78 cups)

How to convert ounces of powdered sugar to cups

Weight ounces first become grams (1 oz = 28.35 g), so 16 oz = 454 g. One US cup of powdered sugar weighs 120 g, so 454 ÷ 120 = 3.78 cups.

This is unsifted powdered sugar spooned into the cup. Sifted powdered sugar is lighter, about 100 g per cup.

Powdered Sugar: ounces to cups chart

OuncesCupsExact
1 ounceabout ¼ cup0.24 cups
2 ouncesabout ½ cup0.47 cups
3 ouncesabout ¾ cup0.71 cups
4 ouncesabout 1 cup0.94 cups
5 ouncesabout 1⅛ cups1.18 cups
6 ouncesabout 1⅜ cups1.42 cups
8 ouncesabout 1⅞ cups1.89 cups
10 ouncesabout 2⅜ cups2.36 cups
12 ouncesabout 2⅞ cups2.83 cups
16 ouncesabout 3¾ cups3.78 cups

16 ounces of other ingredients

The same amount weighs very different things depending on the ingredient:

IngredientCupsExact
Granulated Sugarabout 2¼ cups2.27 cups
Brown Sugarabout 2 cups2.06 cups
Caster Sugarabout 2 cups2.06 cups
Coconut Sugarabout 3 cups3.02 cups
Honey1⅓ cups1.33 cups
Maple Syrupabout 1½ cups1.44 cups
Golden Syrup1⅓ cups1.33 cups
Molassesabout 1⅓ cups1.35 cups
All-Purpose Flour3⅝ cups3.63 cups
Bread Flourabout 3⅝ cups3.57 cups
Almond Flourabout 4¾ cups4.72 cups
Butter2 cups2 cups
Milkabout 1⅞ cups1.86 cups
Rolled Oatsabout 5 cups5.04 cups

More powdered sugar conversions

Frequently asked questions

How many cups is 16 ounces of powdered sugar?

16 ounces of powdered sugar is about 3¾ cups (3.78 cups), based on 120 g per level US cup.

Is it different with a UK or Australian cup?

Slightly. UK, Australian and New Zealand recipes use a 250 ml metric cup, which is about 6% bigger than a US cup (236.6 ml). In metric cups, 16 ounces of powdered sugar is 3.58 cups.

Should I weigh powdered sugar or measure it by volume?

This is unsifted powdered sugar spooned into the cup. Sifted powdered sugar is lighter, about 100 g per cup. Weighing is always more accurate, which is why grams are the safest choice for baking.