Caster sugar: grams to cups
One cup of caster sugar weighs 200 grams. 100 g is ½ cup (0.50). 300 g is 1 ½ cups (1.50).
80 grams
⅜ cup
0.40 cups
100 grams
½ cup
0.50 cups
200 grams
1 cup
1.00 cups
300 grams
1 ½ cups
1.50 cups
1 ¼ cups
1.25 cups · 8.8 oz
Worth knowing. Caster is just finer granulated sugar, so the weight per cup is effectively the same. UK charts say 225 g because a UK cup is 250 ml, not 237 ml.
Density reference: King Arthur Baking ingredient weight chart
Caster sugar conversion chart
| Grams | Cups | Ounces |
|---|---|---|
| 50 g | ¼ | 1.8 oz |
| 80 g | ⅜ | 2.8 oz |
| 100 g | ½ | 3.5 oz |
| 125 g | ⅝ | 4.4 oz |
| 150 g | ¾ | 5.3 oz |
| 200 g | 1 | 7.1 oz |
| 250 g | 1 ¼ | 8.8 oz |
| 300 g | 1 ½ | 10.6 oz |
| 375 g | 1 ⅞ | 13.2 oz |
| 500 g | 2 ½ | 17.6 oz |
| 1000 g | 5 | 35.3 oz |
Worth knowing. Caster is just finer granulated sugar, so the weight per cup is effectively the same. UK charts say 225 g because a UK cup is 250 ml, not 237 ml.
Density reference: King Arthur Baking ingredient weight chart