Powdered Sugar Conversion: Cups to Grams
Powdered sugar (also called icing sugar or confectioners' sugar) is very finely ground white sugar with a small amount of cornstarch added to prevent clumping. It dissolves instantly and produces smooth frostings, glazes, and dusted finishes. It should be sifted before use to remove lumps.
120g per cup
7.5g per tablespoon
2.5g per teaspoon
4.23oz per cup
Powdered Sugar Conversion Table
| Amount | Grams (g) | Ounces (oz) | Tablespoons | Teaspoons |
|---|---|---|---|---|
| ⅛ cup | 15 g | 0.53 oz | 2 tbsp | 6 tsp |
| ¼ cup | 30 g | 1.06 oz | 4 tbsp | 12 tsp |
| ⅓ cup | 40 g | 1.41 oz | 5.33 tbsp | 16 tsp |
| ½ cup | 60 g | 2.12 oz | 8 tbsp | 24 tsp |
| ⅔ cup | 80 g | 2.82 oz | 11 tbsp | 32 tsp |
| ¾ cup | 90 g | 3.17 oz | 12 tbsp | 36 tsp |
| 1 cup | 120 g | 4.23 oz | 16 tbsp | 48 tsp |
| 1½ cups | 180 g | 6.35 oz | 24 tbsp | 72 tsp |
| 2 cups | 240 g | 8.47 oz | 32 tbsp | 96 tsp |
| 3 cups | 360 g | 13 oz | 48 tbsp | 144 tsp |
| 4 cups | 480 g | 17 oz | 64 tbsp | 192 tsp |
Quick Powdered Sugar Converter
Frequently Asked Questions
- How many grams is 1 cup of Powdered Sugar?
- 1 cup of Powdered Sugar weighs 120 grams (4.23 oz).
- How many grams is 1 tablespoon of Powdered Sugar?
- 1 tablespoon of Powdered Sugar weighs 7.5 grams.
- How many grams is 1 teaspoon of Powdered Sugar?
- 1 teaspoon of Powdered Sugar weighs 2.5 grams.
Did You Know?
- 1 cup of powdered sugar weighs 120g (unsifted, spooned into the cup).
- It contains about 3% cornstarch to prevent caking.
- Always sift powdered sugar before making frosting to avoid a lumpy texture.
- It dissolves completely without graininess — ideal for buttercream and royal icing.
- You can make it at home by blending granulated sugar in a high-speed blender.