Convert White sugar: cups to oz
1 cup of White sugar = 6.98 oz
Amount of White sugar
Density: 0.837 g/ml · White sugar
White sugar: cups to oz at a glance
The amounts people ask for most, worked out for White sugar.
How much White sugar weighs
Every figure below is one measured number — 198 g per US cup — scaled. That is why this table and the converter above it cannot disagree.
One cup, side by side
Is white sugar measured packed or levelled?
Levelled. King Arthur lists granulated white sugar at 198 g per cup with no packing instruction attached — unlike brown sugar, which the same chart marks “packed”. The absence is meaningful: 198 g is a cup filled and levelled off, not pressed down.
Source for White sugar: King Arthur Baking · King Arthur Baking ingredient weight chart
Frequently asked questions
How many oz is 1 cup of White sugar?
1 cup of White sugar is 6.98 oz, because one US cup of White sugar weighs 198 g. That single measured figure is the whole conversion — every other unit on this page is derived from it.
How many cups is 4 oz of White sugar?
4 oz of White sugar is 0.573 cups. It is the same conversion read backwards, so this page and its reverse always agree.
Is that ounces by weight, or fluid ounces?
By weight. dishscale's ounce is the international avoirdupois ounce, 28.3495 g, so one cup of White sugar is 6.98 oz. A US fluid ounce is a volume and there are eight of them to the cup, so that same cup is 8 fl oz at the same time. The two readings coincide only for an ingredient that happens to weigh eight ounces to the cup.
Where does dishscale's figure for White sugar come from?
One US cup of White sugar is 198 g. The dataset records that as: “King Arthur Baking”. That is the King Arthur Baking ingredient weight chart. Every ingredient on the site carries the reference its weight came from, so any number here can be checked — and corrected if the source disagrees.