100 Grams of Powdered Sugar to Cups
100 grams of powdered sugar equals ⅞ cup (0.83 US cups), based on 120 g per cup (spoon-and-level method). In the kitchen, measure 13 tbsp. For best results, weigh powdered sugar with a scale — cup measurements vary with how the cup is filled.
| US cups | ⅞ cup (0.83 cups) |
|---|---|
| Measured as | 13 tbsp |
| Ounces (weight) | 3.5 oz |
| Tablespoons (level) | about 13.3 tbsp |
| Density used | 120 g per US cup |
How to measure 100 g of powdered sugar without a scale
These values are for unsifted powdered sugar, spooned into the cup and leveled (120 g). If your recipe says "sifted powdered sugar," sift first and expect closer to 100 g per cup — sifting adds a lot of air.
Nearby amounts
| Grams | Cups | Decimal |
|---|---|---|
| 50 g | ⅜ cup | 0.42 |
| 75 g | ⅝ cup | 0.63 |
| 125 g | 1 cup | 1.04 |
| 150 g | 1 ¼ cups | 1.25 |
100 grams of other ingredients
The same weight fills a very different cup depending on density — that's why "grams to cups" always needs the ingredient:
- 100 g of all-purpose flour to cups — ⅞ cup
- 100 g of granulated sugar to cups — ½ cup
- 100 g of brown sugar (packed) to cups — ½ cup
- 100 g of honey to cups — ⅓ cup
- 100 g of butter to cups — ½ cup
Convert another amount
250 g Powdered (icing/confectioners') sugar = 2 ⅛ cups
Exactly 2.08 cups — or measure 2 cups + 1 tbsp.
More powdered sugar conversions: the full grams-to-cups powdered sugar chart · 3/4 cups of powdered sugar in grams
Density 120 g/cup — sources: USDA FoodData Central, King Arthur Baking ingredient weight chart. Data verified 2026-08-20. Methodology.