Cups to Grams Converter
Select your ingredient for an accurate conversion. A cup of flour and a cup of sugar weigh very differently — our converter knows the density of each.
All-purpose flour — Quick Reference
Common cups to grams questions
How many grams in a cup of flour?
One cup of all-purpose flour weighs approximately 125 grams (4.4 oz). This assumes a standard US cup (236.6 ml) with flour spooned into the cup and leveled — not scooped or packed. If you scoop directly from the bag, you may get up to 150g per cup due to compaction.
How many grams in a cup of sugar?
One cup of granulated white sugar weighs approximately 200 grams (7.1 oz). Brown sugar (packed) weighs about 220 grams per cup, and powdered (confectioners') sugar weighs about 120 grams per cup.
How many grams in a cup of butter?
One cup of butter weighs 227 grams (8 oz), which is exactly 2 standard US sticks of butter. Half a cup is 1 stick, or 113 grams.
Why do cups weigh different amounts for different ingredients?
Cups measure volume, not weight. Different ingredients have different densities — honey is much heavier than flour for the same volume. A cup of honey weighs 340 grams, while a cup of flour is only 125 grams. For consistent baking results, professional bakers recommend weighing ingredients with a kitchen scale.
Which cup standard does this converter use?
This converter uses the US customary cup (236.588 ml). The metric cup used in Australia and New Zealand is 250 ml — about 5.7% larger. If your recipe uses metric cups, you can adjust slightly upward.
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