Powdered sugar: weights & conversions
A US cup of powdered sugar weighs about 120 g. 100 g is 389 calories and 0 g of protein.
Also written as: confectioners sugar, confectioner sugar, icing sugar, sifted powdered sugar, confectionery sugar, 10x sugar.
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1 cup of powdered sugar is about 120 grams.
Cups to grams
What each measure of powdered sugar weighs, from the cup weight above.
| Volume | Grams | Ounces |
|---|---|---|
| 1 cup | 120 g | 4.23 oz |
| 3/4 cup | 90 g | |
| 2/3 cup | 80 g | |
| 1/2 cup | 60 g | |
| 1/3 cup | 40 g | |
| 1/4 cup | 30 g | |
| 1 tablespoon | 7.5 g | |
| 1 teaspoon | 2.5 g |
Ounces and pounds
The weights an older recipe card is most likely to use.
| Weight | Grams | Ounces |
|---|---|---|
| 1 oz | 28.3 g | |
| 4 oz (1/4 lb) | 113 g | |
| 8 oz (1/2 lb) | 227 g | |
| 1 lb | 454 g | |
| 100 g | 100 g |
Nutrition
Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.
| Measure | Calories | Protein | Fat | Carbs | Fiber | Sodium |
|---|---|---|---|---|---|---|
| Per 100 g (100 g) | 389 | 0 g | 0 g | 99.8 g | 0 g | 2 mg |
| Per cup (120 g) | 467 | 0 g | 0 g | 120 g | 0 g | 2 mg |
| Per tablespoon (7.5 g) | 29 | 0 g | 0 g | 7.49 g | 0 g | 0 mg |
| Per 4 oz (113 g) | 441 | 0 g | 0 g | 113 g | 0 g | 2 mg |
If you have run out
- One cup of granulated sugar blended with one tablespoon of cornstarch until powdery.
Free recipes that use powdered sugar
From our starter library — free to read, free to save into your own cookbook.
Common questions
- How many grams are in a cup of powdered sugar?
- One US cup of powdered sugar weighs about 120 g (4.23 oz). A tablespoon is about 7.5 g and a teaspoon about 2.5 g.
- How many cups is 100 g of powdered sugar?
- 100 g of powdered sugar is about 0.83 cups — near enough to 7/8 of a cup in a measuring cup.
- How many calories are in powdered sugar?
- Powdered sugar has about 389 calories per 100 g, which works out to roughly 467 calories a cup.
- What can I use instead of powdered sugar?
- One cup of granulated sugar blended with one tablespoon of cornstarch until powdery.




