Grams Per Cup

Caster Sugar: Cups to Grams

One US cup of caster sugar weighs about 225 grams (7.9 oz). Use the converter or the chart below for any amount.

Quick answer

Unit
Ingredient
Caster Sugar
—

Approximate values. Density varies with how the ingredient is packed, sifted, or measured.

Caster Sugar cups to grams chart

Amount Grams Ounces
1/8 cup caster sugar 28.1 g 1 oz
1/4 cup caster sugar 56.3 g 2 oz
1/3 cup caster sugar 75 g 2.6 oz
1/2 cup caster sugar 113 g 4 oz
2/3 cup caster sugar 150 g 5.3 oz
3/4 cup caster sugar 169 g 6 oz
1 cup caster sugar 225 g 7.9 oz
1 1/2 cups caster sugar 338 g 11.9 oz
2 cups caster sugar 450 g 15.9 oz
3 cups caster sugar 675 g 23.8 oz
1 tablespoon caster sugar 14.1 g 0.5 oz
1 teaspoon caster sugar 4.7 g 0.2 oz

Caster Sugar grams to cups

Working the other way? Since 1 cup of caster sugar is about 225 g, here is how common gram weights convert back to cups.

Grams Cups (approx)
50 g caster sugar 0.22 cups
100 g caster sugar 0.44 cups
125 g caster sugar 0.56 cups
150 g caster sugar 0.67 cups
200 g caster sugar 0.89 cups
250 g caster sugar 1.11 cups
500 g caster sugar 2.22 cups

Measuring caster sugar accurately

Superfine sugar; common in UK baking. Because a cup measures volume rather than weight, the most reliable way to get the same result every time is to weigh caster sugar on a kitchen scale and aim for the gram figure above. The conversions on this page are based on the US cup of about 236.6 ml.

FAQ

How many grams is 1 cup of caster sugar?
One US cup of caster sugar weighs about 225 grams (7.9 oz). Superfine sugar; common in UK baking.
How many grams is half a cup of caster sugar?
Half a US cup of caster sugar is about 113 grams.
How many grams is 1 tablespoon of caster sugar?
One tablespoon of caster sugar is about 14.1 grams, since a tablespoon is one sixteenth of a cup.

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