Ingredient conversion
1 cup powdered sugar to grams
1 US cup of powdered sugar = 120 grams.
This uses the unsifted. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
This uses the unsifted. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
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Calculating…
Why this matters: A cup of flour, sugar, butter and honey do not weigh the same.
Powdered sugar cup to gram chart
| Cups | Grams |
|---|---|
| 1/4 cup powdered sugar | 30g |
| 1/3 cup powdered sugar | 40g |
| 1/2 cup powdered sugar | 60g |
| 2/3 cup powdered sugar | 80g |
| 3/4 cup powdered sugar | 90g |
| 1 cup powdered sugar | 120g |
| 2 cup powdered sugar | 240g |
| 3 cup powdered sugar | 360g |
Accuracy note
For baking, small measuring differences can affect texture. If a recipe is precise, weigh powdered sugar in grams rather than relying only on volume.
FAQ
How many grams is 1 cup of powdered sugar?
1 US cup of powdered sugar is 120 grams using the unsifted.
Why can powdered sugar conversions vary?
Cups measure volume, grams measure weight. Different cup sizes and measuring methods can change the result, especially for dry ingredients.
Should I use grams or cups for baking?
Grams are usually more reliable because weighing removes variation from scooping, packing and cup size.