How Much Is 2.1 Cups of Pearl Barley in Ounces?
2.1 cups of pearl barley weighs 14.82 oz. This is based on pearl barley having a density of 200g 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 2.1 cups.
Formula and Step-by-Step
- Start with 2.1 cups of pearl barley
- 1 cup of pearl barley = 200g
- 2.1 × 200 = 420g
- Convert grams to ounces: 420 ÷ 28.3495 = 14.82 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Pour grains into the measuring cup and level off. Do not shake or tap, as this settles the grains and increases the weight.
Pearl Barley at Different Amounts
How pearl barley scales across common cups measurements. Your amount (2.1 cups) is highlighted.
For reference, 2.1 cups of pearl barley (420g) is close in weight to an American football (410g).
Other Amounts of Pearl Barley
| Cups | US Ounces | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 1.76 oz | 1.86 oz | 2.12 oz |
| 0.33 cups | 2.33 oz | 2.46 oz | 2.80 oz |
| 0.5 cups | 3.53 oz | 3.73 oz | 4.24 oz |
| 0.75 cups | 5.29 oz | 5.59 oz | 6.35 oz |
| 1 cup | 7.05 oz | 7.45 oz | 8.47 oz |
| 1.5 cups | 10.58 oz | 11.18 oz | 12.71 oz |
| 2 cups | 14.11 oz | 14.91 oz | 16.94 oz |
| 2.1 cups | 14.82 oz | 15.65 oz | 17.79 oz |
| 3 cups | 21.16 oz | 22.36 oz | 25.42 oz |
| 4 cups | 28.22 oz | 29.82 oz | 33.89 oz |
| 5 cups | 35.27 oz | 37.27 oz | 42.36 oz |
Understanding the Units
What is a Cup?
In US cooking, a cup measures volume, not weight. One standard US cup holds 236.588 ml of liquid. Because different ingredients have different densities, a cup of one ingredient can weigh very differently from a cup of another.
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.