How Much Is 109 Ounces of Couscous in Cups?
Converting 109 ounces of couscous to cups gives 17.86 cups. First convert to grams (109 oz = 3,090.10g), then divide by the density of couscous (173g per cup). Each ingredient fills a different volume at the same weight.
Formula and Step-by-Step
- Start with 109 ounces of couscous
- Convert ounces to grams: 109 × 28.35 = 3,090.10g
- 1 cup of couscous = 173g
- 3,090.10g ÷ 173g/cup = 17.86 cups
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Uncooked and cooked grains have completely different weights per cup. These conversions are for uncooked/dry grains unless specified otherwise.
Couscous at Different Amounts
How couscous scales across common ounces measurements. Your amount (109 ounces) is highlighted.
Other Amounts of Couscous
| Ounces | US Cups | Metric Cup | Imperial Cup |
|---|---|---|---|
| 1 ounce | 0.16 cups | 0.16 cups | 0.14 cups |
| 2 ounces | 0.33 cups | 0.31 cups | 0.27 cups |
| 3 ounces | 0.49 cups | 0.47 cups | 0.41 cups |
| 4 ounces | 0.66 cups | 0.62 cups | 0.55 cups |
| 5 ounces | 0.82 cups | 0.78 cups | 0.68 cups |
| 6 ounces | 0.98 cups | 0.93 cups | 0.82 cups |
| 8 ounces | 1.31 cups | 1.24 cups | 1.09 cups |
| 10 ounces | 1.64 cups | 1.55 cups | 1.36 cups |
| 12 ounces | 1.97 cups | 1.86 cups | 1.64 cups |
| 16 ounces | 2.62 cups | 2.48 cups | 2.18 cups |
| 109 ounces | 17.86 cups | 16.90 cups | 14.87 cups |
Understanding the Units
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.
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.