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2 1/2 Cups of Powdered Sugar in Grams
How many grams of powdered sugar in 2 1/2 cups?
2 1/2 cups of powdered sugar equals 280 grams*
About powdered sugar measurements
Powdered (icing) sugar is extremely light, about 0.47 g/ml or just 112 g per US cup, because the milled crystals and cornstarch trap air. It clumps readily, so an unsifted, packed cup weighs well over a sifted one — recipes that call for 'sifted' are expecting the lighter measure.
Cups of powdered sugar equivalent in grams?

FAQs on powdered sugar volume to weight conversion
Is 2 1/2 cups of powdered sugar 280 grams?
Yes — 2 1/2 cups of powdered sugar weighs 280 grams, based on a density of 0.473 g/ml.
2 1/2 cups of powdered sugar equals how many grams?
2 1/2 cups of powdered sugar is equivalent 280 grams.
How much is 280 grams of powdered sugar in cups?
280 grams of powdered sugar equals 2 1/2 ( ~ 2 1/2) cups.
Powdered Sugar Conversion Chart Near 0.7 US Cups
| US Cups to Grams of Powdered sugar | |
|---|---|
| 0.7 US cups | 78.3 grams |
| 0.8 US cups | 89.5 grams |
| 0.9 US cups | 101 grams |
| 1 US cup | 112 grams |
| 1.1 US cups | 123 grams |
| 1.2 US cups | 134 grams |
| 1.3 US cups | 145 grams |
| 1.4 US cups | 157 grams |
| 1.5 US cups | 168 grams |
| 1.6 US cups | 179 grams |
| 1.7 US cups | 190 grams |
| 1.8 US cups | 201 grams |
| 1.9 US cups | 213 grams |
| 2 US cups | 224 grams |
| 2.1 US cups | 235 grams |
| 2.2 US cups | 246 grams |
| 2.3 US cups | 257 grams |
| 2.4 US cups | 269 grams |
| 2.5 US cups | 280 grams |
| 2.6 US cups | 291 grams |
| 2.7 US cups | 302 grams |
| 2.8 US cups | 313 grams |
| 2.9 US cups | 325 grams |
| 3 US cups | 336 grams |
| 3.1 US cups | 347 grams |
| 3.2 US cups | 358 grams |
| 3.3 US cups | 369 grams |
| 3.4 US cups | 380 grams |
| 3.5 US cups | 392 grams |
| 3.6 US cups | 403 grams |
| 3.7 US cups | 414 grams |
| 3.8 US cups | 425 grams |
| 3.9 US cups | 436 grams |
| 4 US cups | 448 grams |
| 4.1 US cups | 459 grams |
| 4.2 US cups | 470 grams |
| 4.3 US cups | 481 grams |
Note: Values are rounded to 3 significant figures. Fractions are rounded to common recipe fractions (1/8, 1/4, 1/3, 1/2, 2/3, 3/4…).
References:
Popular Volume to Weight Conversions
A note on cooking ingredients measurements
Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.