How Much Is 18.9 Cups of Walnuts in Ounces?
18.9 cups of walnuts weighs 80.00 oz. This is based on walnuts having a density of 120g per cup. Because cups measure volume and ounces measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 18.9 cups.
Formula and Step-by-Step
- Start with 18.9 cups of walnuts
- 1 cup of walnuts = 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
For the most consistent results, weigh walnuts on a kitchen scale. Volume measurements of nuts vary depending on size, shape, and how tightly they pack.
Walnuts at Different Amounts
How walnuts scales across common cups measurements. Your amount (18.9 cups) is highlighted.
For reference, 18.9 cups of walnuts (2,268g) is close in weight to a 5 lb bag of flour (2,268g).
Other Amounts of Walnuts
| 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?
An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.