400 Grams of Powdered Sugar to Cups
400 grams of powdered sugar equals 3 ⅓ cups (3.33 US cups), based on 120 g per cup (spoon-and-level method). In the kitchen, measure 3 cups + 5 tbsp. For best results, weigh powdered sugar with a scale — cup measurements vary with how the cup is filled.
| US cups | 3 ⅓ cups (3.33 cups) |
|---|---|
| Measured as | 3 cups + 5 tbsp |
| Ounces (weight) | 14.1 oz |
| Density used | 120 g per US cup |
How to measure 400 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 |
|---|---|---|
| 250 g | 2 ⅛ cups | 2.08 |
| 300 g | 2 ½ cups | 2.5 |
| 500 g | 4 ⅛ cups | 4.17 |
400 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:
- 400 g of all-purpose flour to cups — 3 ⅓ cups
- 400 g of granulated sugar to cups — 2 cups
- 400 g of brown sugar (packed) to cups — 1 ⅞ cups
- 400 g of honey to cups — 1 ⅛ cups
- 400 g of butter to cups — 1 ¾ 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
Density 120 g/cup — sources: USDA FoodData Central, King Arthur Baking ingredient weight chart. Data verified 2026-08-20. Methodology.