The conversion rate of cups to grams can sometimes be difficult to calculate because it is different rate for different items i.e. Butter and dry foods like flour and sugar. And then of course there are different conversion for different types of sugar such as caster sugar and icing sugar.

Let's start with butter. One cup of butter weighs approximately eight ounces. One ounce equals 28.34 grams so _ of a cup of butter equals 57 grams, 1/3 a cup of butter equals 76 grams and _ a cup of butter equals 113 grams.

For all purpose flour and confectioners' sugar, _ of a cup equals 16 grams or 0.563 ounces. _ a cup equals 64 grams or 2.25 ounces. And one full cup equals 128 grams of 4.5 ounces.

For bread flour, 1/4 of a cup is equal to 34 grams or 1.2 ounces. _ a cup is equal to 68 grams or 2.4 ounces, and one full cup equals 136 grams or 4.8 ounces.

For rolled oats, _ of a cup equals 21 grams or 0.75 ounces. _ a cup equals 43 grams or 1.5 ounces, and one full cup equals 85 grams or 3 ounces.

For granulated white sugar, _ of a cup is equal to 50 grams or 1.78 ounces. _ a cup is equal to 100 grams or 3.55 ounces. And one cup is equal to 201 grams or 7.1 ounces.

For packed brown sugar, _ of a cup equals 55 grams or 1.9 ounces. _ a cup equals 110 grams or 3.88 ounces. And one cup equals 220 grams or 7.75 ounces.

For liquids such as honey, molasses or syrup, two tablespoons equals 43 grams or 1.5 ounces. _ of a cup equals 85 grams of 3 ounces. 1/3 of a cup equals 113 grams of 4 ounces. _ a cup equals 170 grams or 6 ounces. _ of a cup equals 255 grams or 9 ounces. And one cup equals 340 grams or 12 ounces.

Do you see how the values vary depending on the ingredient? That is why it is best to use an online convertor to make sure you have the exact amount every time.

Let's start with butter. One cup of butter weighs approximately eight ounces. One ounce equals 28.34 grams so _ of a cup of butter equals 57 grams, 1/3 a cup of butter equals 76 grams and _ a cup of butter equals 113 grams.

For all purpose flour and confectioners' sugar, _ of a cup equals 16 grams or 0.563 ounces. _ a cup equals 64 grams or 2.25 ounces. And one full cup equals 128 grams of 4.5 ounces.

For bread flour, 1/4 of a cup is equal to 34 grams or 1.2 ounces. _ a cup is equal to 68 grams or 2.4 ounces, and one full cup equals 136 grams or 4.8 ounces.

For rolled oats, _ of a cup equals 21 grams or 0.75 ounces. _ a cup equals 43 grams or 1.5 ounces, and one full cup equals 85 grams or 3 ounces.

For granulated white sugar, _ of a cup is equal to 50 grams or 1.78 ounces. _ a cup is equal to 100 grams or 3.55 ounces. And one cup is equal to 201 grams or 7.1 ounces.

For packed brown sugar, _ of a cup equals 55 grams or 1.9 ounces. _ a cup equals 110 grams or 3.88 ounces. And one cup equals 220 grams or 7.75 ounces.

For liquids such as honey, molasses or syrup, two tablespoons equals 43 grams or 1.5 ounces. _ of a cup equals 85 grams of 3 ounces. 1/3 of a cup equals 113 grams of 4 ounces. _ a cup equals 170 grams or 6 ounces. _ of a cup equals 255 grams or 9 ounces. And one cup equals 340 grams or 12 ounces.

Do you see how the values vary depending on the ingredient? That is why it is best to use an online convertor to make sure you have the exact amount every time.