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1/3 Cup of Powdered Sugar in Grams

1/3 cup of powdered sugar = 40 grams

That's 40 g, or 1.41 oz by weight.

1/3 cup of powdered sugar in other units

Grams
40
Ounces
1.41
Metric cups (250 ml)
0.32
Tablespoons
5.33
Milliliters
79

Powdered Sugar converter

0.33 cups = 40 grams

How to convert cups of powdered sugar to grams

One level US cup of powdered sugar weighs about 120 g. Multiply: 1/3 × 120 = 40 g.

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

Powdered Sugar: cups to grams chart

CupsGrams
1/8 cup15 grams
1/4 cup30 grams
1/3 cup40 grams
1/2 cup60 grams
2/3 cup80 grams
3/4 cup90 grams
1 cup120 grams
1 1/4 cups150 grams
1 1/2 cups180 grams
2 cups240 grams
2 1/2 cups300 grams
3 cups360 grams
4 cups480 grams

1/3 cup of other ingredients

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

IngredientGrams
Granulated Sugar67 grams
Brown Sugar73 grams
Caster Sugar73 grams
Coconut Sugar50 grams
Honey113 grams
Maple Syrup105 grams
Golden Syrup113 grams
Molasses112 grams
All-Purpose Flour42 grams
Bread Flour42 grams
Almond Flour32 grams
Butter76 grams
Milk81 grams
Rolled Oats30 grams

More powdered sugar conversions

Frequently asked questions

How many grams is 1/3 cup of powdered sugar?

1/3 cup of powdered sugar is 40 grams, 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). Using a metric cup, 1/3 cup of powdered sugar would be 42 g.

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.