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4 Cups of Powdered Sugar in Ounces
How many ounces of powdered sugar in 4 cups?
4 cups of powdered sugar equals 15.8 ( ~ 15 3/4) ounces*
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 ounces?

FAQs on powdered sugar volume to weight conversion
Is 4 cups of powdered sugar 15.8 ounces?
Yes — 4 cups of powdered sugar weighs 15.8 ( ~ 15 3/4) ounces, based on a density of 0.473 g/ml.
4 cups of powdered sugar equals how many ounces?
4 cups of powdered sugar is equivalent 15.8 ( ~ 15 3/4) ounces.
How much is 15.8 ounces of powdered sugar in cups?
15.8 ounces of powdered sugar equals 4 cups.
Powdered Sugar Conversion Chart Near 2.2 US Cups
| US Cups to Ounces of Powdered sugar | |
|---|---|
| 2.2 US cups | 8.68 ( ~ 8 2/3) ounces |
| 2.3 US cups | 9.08 ( ~ 9 1/8) ounces |
| 2.4 US cups | 9.47 ( ~ 9 1/2) ounces |
| 2.5 US cups | 9.87 ( ~ 9 3/4) ounces |
| 2.6 US cups | 10.3 ( ~ 10 1/4) ounces |
| 2.7 US cups | 10.7 ( ~ 10 2/3) ounces |
| 2.8 US cups | 11.1 ( ~ 11) ounces |
| 2.9 US cups | 11.4 ( ~ 11 1/2) ounces |
| 3 US cups | 11.8 ( ~ 11 3/4) ounces |
| 3.1 US cups | 12.2 ( ~ 12 1/4) ounces |
| 3.2 US cups | 12.6 ( ~ 12 2/3) ounces |
| 3.3 US cups | 13 ( ~ 13) ounces |
| 3.4 US cups | 13.4 ( ~ 13 1/2) ounces |
| 3.5 US cups | 13.8 ( ~ 13 3/4) ounces |
| 3.6 US cups | 14.2 ( ~ 14 1/4) ounces |
| 3.7 US cups | 14.6 ( ~ 14 2/3) ounces |
| 3.8 US cups | 15 ( ~ 15) ounces |
| 3.9 US cups | 15.4 ( ~ 15 1/3) ounces |
| 4 US cups | 15.8 ( ~ 15 3/4) ounces |
| 4.1 US cups | 16.2 ( ~ 16 1/8) ounces |
| 4.2 US cups | 16.6 ( ~ 16 1/2) ounces |
| 4.3 US cups | 17 ( ~ 17) ounces |
| 4.4 US cups | 17.4 ( ~ 17 1/3) ounces |
| 4.5 US cups | 17.8 ( ~ 17 3/4) ounces |
| 4.6 US cups | 18.2 ( ~ 18 1/8) ounces |
| 4.7 US cups | 18.6 ( ~ 18 1/2) ounces |
| 4.8 US cups | 18.9 ( ~ 19) ounces |
| 4.9 US cups | 19.3 ( ~ 19 1/3) ounces |
| 5 US cups | 19.7 ( ~ 19 3/4) ounces |
| 5.1 US cups | 20.1 ( ~ 20 1/8) ounces |
| 5.2 US cups | 20.5 ( ~ 20 1/2) ounces |
| 5.3 US cups | 20.9 ( ~ 21) ounces |
| 5.4 US cups | 21.3 ( ~ 21 1/3) ounces |
| 5.5 US cups | 21.7 ( ~ 21 3/4) ounces |
| 5.6 US cups | 22.1 ( ~ 22 1/8) ounces |
| 5.7 US cups | 22.5 ( ~ 22 1/2) ounces |
| 5.8 US cups | 22.9 ( ~ 23) ounces |
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 ☺.