300 Grams of Powdered Sugar to Cups
300 grams of powdered sugar equals 2 ½ cups (2.5 US cups), based on 120 g per cup (spoon-and-level method). In the kitchen, measure 2 cups + 8 tbsp. For best results, weigh powdered sugar with a scale — cup measurements vary with how the cup is filled.
| US cups | 2 ½ cups (2.5 cups) |
|---|---|
| Measured as | 2 cups + 8 tbsp |
| Ounces (weight) | 10.6 oz |
| Density used | 120 g per US cup |
How to measure 300 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 |
|---|---|---|
| 200 g | 1 ⅔ cups | 1.67 |
| 250 g | 2 ⅛ cups | 2.08 |
| 400 g | 3 ⅓ cups | 3.33 |
| 500 g | 4 ⅛ cups | 4.17 |
300 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:
- 300 g of all-purpose flour to cups — 2 ½ cups
- 300 g of granulated sugar to cups — 1 ½ cups
- 300 g of brown sugar (packed) to cups — 1 ⅜ cups
- 300 g of honey to cups — ⅞ cup
- 300 g of butter to cups — 1 ⅓ cups
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 · 2 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.