Caster Sugar: Cups to Grams
1 cup of caster sugar weighs about 190 grams. Convert any amount instantly below.
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 1/4 cup | 237.5 g | 8.4 oz | 20 tbsp |
| 1 1/3 cup | 253.3 g | 8.9 oz | 21.3 tbsp |
| 1 1/2 cup | 285 g | 10.1 oz | 24 tbsp |
| 1 3/4 cup | 332.5 g | 11.7 oz | 28 tbsp |
| 2 cup | 380 g | 13.4 oz | 32 tbsp |
| 3 cup | 570 g | 20.1 oz | 48 tbsp |
Based on 190 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.
Grams to cups: caster sugar
Working backwards from a weight? Here is how common gram amounts of caster sugar convert to cups (at 190 g per cup).
| Grams | Cups | Tablespoons | Ounces |
|---|---|---|---|
| 10 g | 0.05 cups | 0.8 tbsp | 0.4 oz |
| 25 g | 0.13 cups | 2.1 tbsp | 0.9 oz |
| 50 g | 0.26 cups | 4.2 tbsp | 1.8 oz |
| 75 g | 0.39 cups | 6.3 tbsp | 2.6 oz |
| 100 g | 0.53 cups | 8.4 tbsp | 3.5 oz |
| 125 g | 0.66 cups | 10.5 tbsp | 4.4 oz |
| 150 g | 0.79 cups | 12.6 tbsp | 5.3 oz |
| 200 g | 1.05 cups | 16.8 tbsp | 7.1 oz |
| 250 g | 1.32 cups | 21.1 tbsp | 8.8 oz |
| 300 g | 1.58 cups | 25.3 tbsp | 10.6 oz |
| 500 g | 2.63 cups | 42.1 tbsp | 17.6 oz |
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 3/4 cup of caster sugar?
Three quarters of a US cup of caster sugar is about 142.5 grams (12 tablespoons).
How many grams is 2/3 cup of caster sugar?
2/3 of a US cup of caster sugar is about 126.7 grams.
How many grams is 1/2 cup of caster sugar?
Half a US cup of caster sugar is about 95 grams — half of the 190 g in a full cup.
How many grams is 1/3 cup of caster sugar?
A third of a US cup of caster sugar is about 63.3 grams.
How many grams is 1/4 cup of caster sugar?
A quarter US cup of caster sugar is about 47.5 grams (4 tablespoons).
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 grams is 1 1/4 cups of caster sugar?
1 1/4 US cups of caster sugar weigh about 237.5 grams.
How many grams is 1 1/2 cups of caster sugar?
1 1/2 US cups of caster sugar weigh about 285 grams — one full cup (190 g) plus half a cup (95 g).
How many grams is 2 cups of caster sugar?
2 US cups of caster sugar weigh about 380 grams.
How many cups is 100 grams of caster sugar?
100 grams of caster sugar is about 0.53 cups.
How many cups is 250 grams of caster sugar?
250 grams of caster sugar is about 1.32 cups (at 190 g per cup).
How many cups is 500 grams of caster sugar?
500 grams of caster sugar is about 2.63 cups.
Other sugars & syrups
See the full sugars & syrups conversion chart →