Caster Sugar: Cups to Grams
1 cup of caster sugar weighs about 190 grams. Convert any amount instantly below.
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Caster Sugar conversion chart
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| 1/8 cup | 23.8 g | 0.8 oz | 2 tbsp |
| 1/4 cup | 47.5 g | 1.7 oz | 4 tbsp |
| 1/3 cup | 63.3 g | 2.2 oz | 5.3 tbsp |
| 1/2 cup | 95 g | 3.4 oz | 8 tbsp |
| 2/3 cup | 126.7 g | 4.5 oz | 10.7 tbsp |
| 3/4 cup | 142.5 g | 5 oz | 12 tbsp |
| 1 cup | 190 g | 6.7 oz | 16 tbsp |
| 1 1/2 cup | 285 g | 10.1 oz | 24 tbsp |
| 2 cup | 380 g | 13.4 oz | 32 tbsp |
Based on 190 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.
Measuring caster sugar accurately
Caster sugar's fine crystals pour and level smoothly, so scoop, fill, and sweep flat without packing. It dissolves faster than granulated, which is why it suits meringues and delicate cakes; weigh 190g per cup when you want exact sweetness and structure.
Frequently asked questions
How many grams is 1 cup of caster sugar?
1 US cup of caster sugar weighs about 190 grams.
How many grams is 1 tablespoon of caster sugar?
1 tablespoon of caster sugar is about 11.9 grams (a cup is 16 tablespoons).
How many cups is 100 grams of caster sugar?
100 grams of caster sugar is about 0.5 cups.