How Much Is 0.81 Cups of Rice (Long Grain) in Ounces?
Converting 0.81 cups of rice (long grain) to ounces gives 5.29 oz. One cup of rice (long grain) weighs 185g, so 0.81 cups is 0.81 × 185 = 149.85g (5.29 oz). This conversion is specific to rice (long grain) because each ingredient has a different density.
Formula and Step-by-Step
- Start with 0.81 cups of rice (long grain)
- 1 cup of rice (long grain) = 185g
- 0.81 × 185 = 149.85g
- Convert grams to ounces: 149.85 ÷ 28.3495 = 5.29 oz
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.
Rice (Long Grain) at Different Amounts
How rice (long grain) scales across common cups measurements. Your amount (0.81 cups) is highlighted.
For reference, 0.81 cups of rice (long grain) (149.85g) is close in weight to a baseball (145g).
Other Amounts of Rice (Long Grain)
| Cups | US Ounces | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 1.63 oz | 1.72 oz | 1.96 oz |
| 0.33 cups | 2.15 oz | 2.28 oz | 2.59 oz |
| 0.5 cups | 3.26 oz | 3.45 oz | 3.92 oz |
| 0.75 cups | 4.89 oz | 5.17 oz | 5.88 oz |
| 0.81 cups | 5.29 oz | 5.59 oz | 6.35 oz |
| 1 cup | 6.53 oz | 6.90 oz | 7.84 oz |
| 1.5 cups | 9.79 oz | 10.34 oz | 11.76 oz |
| 2 cups | 13.05 oz | 13.79 oz | 15.67 oz |
| 3 cups | 19.58 oz | 20.69 oz | 23.51 oz |
| 4 cups | 26.10 oz | 27.58 oz | 31.35 oz |
| 5 cups | 32.63 oz | 34.48 oz | 39.19 oz |
Understanding the Units
What is a Cup?
There are three cup standards used worldwide. The US cup (236.588 ml) is used in American recipes. The metric cup (250 ml) is standard in Australia, New Zealand, and some parts of Asia. The imperial cup (284.131 ml) appears in older British and Canadian recipes. A metric cup holds about 5.7% more than a US cup, while an imperial cup holds about 20% more. Using the wrong standard can noticeably affect a recipe.
What is an Ounce?
Weight ounces and fluid ounces are different measurements. A fluid ounce measures volume (29.574 ml), while an ounce measures weight (28.35g). They only align for water, where 1 fl oz weighs approximately 1 oz.