How Much Is 18.9 Cups of Powdered Sugar in Ounces?
18.9 cups of powdered sugar equals 80.00 oz. Powdered sugar has a density of 120g per cup (120g per cup), which means it's relatively light compared to other common cooking ingredients. For comparison, 18.9 cups of honey would be 226.67 oz.
Formula and Step-by-Step
- Start with 18.9 cups of powdered sugar
- 1 cup of powdered sugar = 120g
- 18.9 × 120 = 2,268g
- Convert grams to ounces: 2,268 ÷ 28.3495 = 80.00 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Powdered sugar clumps easily. Sift before measuring by volume, or weigh to avoid the sifted-vs-unsifted ambiguity entirely.
Powdered Sugar at Different Amounts
How powdered sugar scales across common cups measurements. Your amount (18.9 cups) is highlighted.
For reference, 18.9 cups of powdered sugar (2,268g) is close in weight to a 5 lb bag of flour (2,268g).
Other Amounts of Powdered Sugar
| Cups | US Ounces | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 1.06 oz | 1.12 oz | 1.27 oz |
| 0.33 cups | 1.40 oz | 1.48 oz | 1.68 oz |
| 0.5 cups | 2.12 oz | 2.24 oz | 2.54 oz |
| 0.75 cups | 3.17 oz | 3.35 oz | 3.81 oz |
| 1 cup | 4.23 oz | 4.47 oz | 5.08 oz |
| 1.5 cups | 6.35 oz | 6.71 oz | 7.63 oz |
| 2 cups | 8.47 oz | 8.95 oz | 10.17 oz |
| 3 cups | 12.70 oz | 13.42 oz | 15.25 oz |
| 4 cups | 16.93 oz | 17.89 oz | 20.33 oz |
| 5 cups | 21.16 oz | 22.36 oz | 25.42 oz |
| 18.9 cups | 80.00 oz | 84.54 oz | 96.08 oz |
Understanding the Units
What is a Cup?
The US cup (236.588 ml) is slightly smaller than the metric cup used in Australia and some other countries (250 ml). When following recipes from different countries, check which cup standard is being used.
What is an Ounce?
Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.