1/2 Cup of Powdered Sugar in Grams
1/2 cup of powdered sugar weighs 60 grams (about 2.1 oz), based on 120 g per US cup (spoon-and-level method). That's the same as 8 tablespoons of powdered sugar. When a recipe's outcome depends on accuracy — especially baking — weigh it instead of measuring by cup.
Powdered Sugar — all cup fractions in grams
| Cups | Grams | Ounces |
|---|---|---|
| ¼ cups | 30 g | 1.1 oz |
| ⅓ cups | 40 g | 1.4 oz |
| ½ cups | 60 g | 2.1 oz |
| ⅔ cups | 80 g | 2.8 oz |
| ¾ cups | 90 g | 3.2 oz |
| 1 cup | 120 g | 4.2 oz |
| 1½ cups | 180 g | 6.3 oz |
| 2 cups | 240 g | 8.5 oz |
How to measure 1/2 cup of powdered sugar
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.
1/2 cup of other ingredients
- 1/2 cup all-purpose flour in grams — 60 g
- 1/2 cup granulated sugar in grams — 100 g
- 1/2 cup brown sugar (packed) in grams — 107 g
- 1/2 cup honey in grams — 170 g
- 1/2 cup butter in grams — 114 g
Convert another amount
250 cups Powdered (icing/confectioners') sugar = 30000 g
Based on 120 g per US cup.
Reverse conversion: grams of powdered sugar to cups.
Density 120 g/cup — sources: USDA FoodData Central, King Arthur Baking ingredient weight chart. Data verified 2026-08-20. Methodology.