Powdered sugar in USDA's data: ½ cup = 60 g · ¼ cup = 30 g · 1 tbsp = 7.5 g. Sifted, a cup is 100 g.
Converter
Ingredient: powdered sugar, 120 g per US cup
120 g
That is 4.23 oz by weight.
Type a number — fractions like 3/4 or 1 1/2 work too.
Cups of powdered sugar in grams
US cups, level. Spoon amounts are worked out from the cup weight.
US cups of powdered sugar in grams and ounces
Amount
Grams
Ounces
1 tsp
2.5 g
0.09 oz
1 tbsp
7.5 g
0.26 oz
⅛ cup
15 g
0.53 oz
¼ cup
30 g
1.06 oz
⅓ cup
40 g
1.41 oz
½ cup
60 g
2.12 oz
⅔ cup
80 g
2.82 oz
¾ cup
90 g
3.17 oz
1 cup
120 g
4.23 oz
1½ cups
180 g
6.35 oz
2 cups
240 g
8.47 oz
3 cups
360 g
12.7 oz
4 cups
480 g
16.9 oz
Grams of powdered sugar in cups
Grams of powdered sugar in US cups
Grams
Cups
Measure
25 g
0.21
≈ 3 tbsp
50 g
0.42
≈ ⅓ cup + 1 tbsp
75 g
0.63
½ cup + 2 tbsp
100 g
0.83
≈ ¾ cup + 1 tbsp
125 g
1.04
≈ 1 cup + 1 tbsp
150 g
1.25
1¼ cups
200 g
1.67
1⅔ cups
250 g
2.08
≈ 2 cups + 1 tbsp
300 g
2.5
2½ cups
400 g
3.33
3⅓ cups
500 g
4.17
≈ 4 cups + 3 tbsp
Powdered sugar by the pound
A pound is exactly 453.59237 g.
Powdered sugar by the pound, in grams and US cups
Weight
Grams
Cups, unsifted
Cups, sifted
1 lb
453.6 g
3.78
4.54
2 lb
907.2 g
7.56
9.07
Also sold as confectioners' sugar or icing sugar. Sifting lightens it: a cup of sifted powdered sugar weighs less than a cup spooned straight from the bag.
Where this number comes from
USDA FoodData Central lists 1 cup unsifted of “Sugars, powdered” at 120 g, and 1 cup sifted at 100 g
(FDC ID 169656, SR Legacy).
Everything else is worked out from that figure: spoons from 1 cup =
16 tablespoons = 48 teaspoons, and ounces and pounds
from their exact definitions (1 oz = 28.349523125 g, 1 lb = 453.59237 g, NIST).