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Powdered (icing) sugar, unsifted in grams
One cup of powdered (icing) sugar, unsifted weighs 120 g, one decilitre 51 g, one tablespoon 7.5 g and one teaspoon 2.5 g. Reverse conversions for 100 g, 250 g and 500 g, plus a recipe scaler.
Volume to grams
| Measure | Grams |
|---|---|
| 1 US cup | 120 g |
| 1 dl (100 ml) | 51 g |
| 1 tablespoon | 7.5 g |
| 1 teaspoon | 2.5 g |
| ½ cup | 60 g |
| 1/3 cup | 40 g |
| ¼ cup | 30 g |
Grams to volume
| Weight | Cups | dl | Tablespoons | Teaspoons |
|---|---|---|---|---|
| 100 g | 0.83 cups | 1.97 dl | 13.3 tbsp | 40 tsp |
| 250 g | 2.08 cups | 4.93 dl | 33.3 tbsp | 100 tsp |
| 500 g | 4.17 cups | 9.86 dl | 66.7 tbsp | 200 tsp |
| 1000 g | 8.33 cups | 19.72 dl | 133.3 tbsp | 400 tsp |
Convert any amount
—
Sifted, it weighs about 100 g.
About this figure
This weight comes from the USDA household measure. It assumes a level measure filled by the scoop-and-sweep method at room temperature. A heaped spoon, a packed cup or a humid kitchen changes the real weight — the difference is why every serious baking book asks for a scale.
Source: King Arthur Baking — ingredient weight chart · USDA FoodData Central — household measures · checked 2026-09-03
Frequently asked questions
How many grams is 1 dl of powdered (icing) sugar, unsifted?
51 g per decilitre (120 g per US cup × 100 ÷ 236.588).
How many grams is 1 cup of powdered (icing) sugar, unsifted?
120 g per level US cup, from the USDA household measure.
How many grams is a tablespoon of powdered (icing) sugar, unsifted?
About 7.5 g — one sixteenth of the cup weight. Level spoon, not heaped.
Is the powdered (icing) sugar, unsifted weight exact?
No — it is a published reference for level measures at room temperature. How you fill the measure and the ingredient's moisture change the real weight.
What it is worth nutritionally
See Powdered sugar nutrition: 389 kcal per 100 g, 0.0 g protein, 99.8 g carbs and 0.0 g fat.
Water
237 g per cup · 100 g per dl
Milk (whole)
244 g per cup · 103 g per dl
Heavy cream
238 g per cup · 101 g per dl
Yogurt (plain)
245 g per cup · 104 g per dl
Sour cream
230 g per cup · 97 g per dl
Buttermilk
245 g per cup · 104 g per dl
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