How many grams in a cup of powdered sugar?

1 cup of powdered sugar weighs 113 grams (4 oz). Half a cup is 57 grams and a tablespoon is about 7.1 grams. Use the converter for any other amount.

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1 cup of powdered sugar weighs

113 g

4 oz

Cups of powdered sugar to grams

Cups	Grams	Ounces
⅛ cup	14 g	0.5 oz
¼ cup	28 g	1 oz
⅓ cup	38 g	1.3 oz
½ cup	57 g	2 oz
⅔ cup	75 g	2.7 oz
¾ cup	85 g	3 oz
1 cup	113 g	4 oz
1½ cups	170 g	6 oz
2 cups	226 g	8 oz
3 cups	339 g	12 oz
4 cups	452 g	15.9 oz
1 tablespoon	7.1 g	0.2 oz
1 teaspoon	2.4 g	0.1 oz

Grams of powdered sugar to cups

Grams	Cups	In measuring cups and spoons
25 g	0.22	3⅔ tbsp
50 g	0.44	⅓ cup + 1⅔ tbsp
100 g	0.88	¾ cup + 2 tbsp
125 g	1.11	1 cup + 1⅔ tbsp
150 g	1.33	1¼ cups + 1⅓ tbsp
200 g	1.77	1¾ cups + ⅓ tbsp
250 g	2.21	2 cups + 3⅓ tbsp
300 g	2.65	2½ cups + 2⅓ tbsp
500 g	4.42	4⅓ cups + 1⅓ tbsp
1000 g	8.85	8¾ cups + 1⅔ tbsp

Measuring powdered sugar

This is unsifted powdered (confectioners') sugar. Sifted, a cup weighs less, so weigh it for frosting.

These weights come from the King Arthur Baking ingredient weight chart and assume a level US cup of 236.6 milliliters. For example, 1½ cups of powdered sugar is 170 grams.

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Frequently asked questions

How many grams is 1 cup of powdered sugar?

1 cup of powdered sugar weighs 113 grams, or 4 ounces, measured in a level US cup.

How many grams is ½ cup of powdered sugar?

½ cup of powdered sugar weighs 57 grams. ¼ cup weighs 28 grams.

How many grams are in a tablespoon of powdered sugar?

1 tablespoon of powdered sugar weighs about 7.1 grams, and 1 teaspoon about 2.4 grams.

How many cups is 100 grams of powdered sugar?

100 grams of powdered sugar is 0.88 cups, or about ¾ cup + 2 tbsp.

Last updated November 5, 2026 · Sources: King Arthur Baking ingredient weight chart

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