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1 Cup of Caster Sugar in Grams

1 cup of caster sugar = 220 grams

That's 220 g, or 7.76 oz by weight.

1 cup of caster sugar in other units

Grams
220
Ounces
7.76
Metric cups (250 ml)
0.95
Tablespoons
16
Milliliters
237

Caster Sugar converter

1 cup = 220 grams

How to convert cups of caster sugar to grams

One level US cup of caster sugar weighs about 220 g. Multiply: 1 × 220 = 220 g.

Sugar is fairly consistent by volume, but sticky syrups cling to the cup – grease it first so you get the full amount out.

Caster Sugar: cups to grams chart

CupsGrams
1/8 cup28 grams
1/4 cup55 grams
1/3 cup73 grams
1/2 cup110 grams
2/3 cup147 grams
3/4 cup165 grams
1 cup220 grams
1 1/4 cups275 grams
1 1/2 cups330 grams
2 cups440 grams
2 1/2 cups550 grams
3 cups660 grams
4 cups880 grams

1 cup of other ingredients

The same amount weighs very different things depending on the ingredient:

IngredientGrams
Granulated Sugar200 grams
Brown Sugar220 grams
Powdered Sugar120 grams
Coconut Sugar150 grams
Honey340 grams
Maple Syrup315 grams
Golden Syrup340 grams
Molasses337 grams
All-Purpose Flour125 grams
Bread Flour127 grams
Almond Flour96 grams
Butter227 grams
Milk244 grams
Rolled Oats90 grams

More caster sugar conversions

Frequently asked questions

How many grams is 1 cup of caster sugar?

1 cup of caster sugar is 220 grams, based on 220 g per level US cup.

Is it different with a UK or Australian cup?

Slightly. UK, Australian and New Zealand recipes use a 250 ml metric cup, which is about 6% bigger than a US cup (236.6 ml). Using a metric cup, 1 cup of caster sugar would be 232 g.

Should I weigh caster sugar or measure it by volume?

Sugar is fairly consistent by volume, but sticky syrups cling to the cup – grease it first so you get the full amount out. Weighing is always more accurate, which is why grams are the safest choice for baking.