2/3 cup of granulated sugar = 132 g (4.7 oz), from King Arthur’s ingredient weight chart.
Updated · How we source our numbers
Packed brown sugar and coarse sugars weigh more per cup; powdered sugar much less.
| Ingredient | 2/3 cup | Per cup |
|---|---|---|
| Granulated sugar | 132 g | 198 g |
| Caster / superfine sugar | 126.7 g | 190 g |
| Light brown sugar (packed) | 142 g | 213 g |
| Dark brown sugar (packed) | 142 g | 213 g |
| Powdered sugar (unsifted) | 75.3 g | 113 g |
| Turbinado / raw sugar | 120 g | 180 g |
| Demerara sugar | 146.7 g | 220 g |
| Cinnamon-sugar | 133.3 g | 200 g |
| Amount | Grams | Ounces |
|---|---|---|
| 1/4 cup | 49.5 g | 1.7 oz |
| 1/3 cup | 66 g | 2.3 oz |
| 1/2 cup | 99 g | 3.5 oz |
| 2/3 cup | 132 g | 4.7 oz |
| 3/4 cup | 149 g | 5.2 oz |
| 1 cup | 198 g | 7.0 oz |
| 1 1/2 cups | 297 g | 10.5 oz |
| 2 cups | 396 g | 14.0 oz |
Source: King Arthur Baking ingredient weight chart (sugar 198 g per cup). Weights assume spoon-and-level cups.
| Unit | Amount |
|---|---|
| Grams (granulated) | 132 g |
| Ounces (weight) | 4.66 oz |
| Tablespoons and teaspoons | 10 tbsp + 2 tsp |
| Millilitres (240 ml cup) | 160 ml |
Granulated sugar is one of the steadiest volume measures in baking — it pours and levels evenly — so a cup reliably weighs close to King Arthur’s 198 g. Brown sugar is the exception: it’s measured firmly packed.
| Scale | Volume | Grams |
|---|---|---|
| Half | ⅓ cup | 66 g |
| As written | ⅔ cup | 132 g |
| 1½× | 1 cup | 198 g |
| Double | 1⅓ cups | 264 g |