How Much Is 1 Cup of Cornstarch in Pounds?
Converting 1 cup of cornstarch to pounds gives 0.28 lb. One cup of cornstarch weighs 128g (0.28 lb). This conversion is specific to cornstarch because each ingredient has a different density.
Formula and Step-by-Step
- Start with 1 cup of cornstarch
- 1 cup of cornstarch = 128g
- 1 × 128 = 128g
- Convert grams to pounds: 128 ÷ 453.592 = 0.28 lb
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 cornstarch on a kitchen scale. Volume measurements can vary by 20-30% depending on how the flour is scooped.
Cornstarch at Different Amounts
How cornstarch scales across common cups measurements. Your amount (1 cup) is highlighted.
For reference, 1 cup of cornstarch (128g) is close in weight to a small apple (130g).
Other Amounts of Cornstarch
| Cups | US Pounds | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 0.07 lb | 0.07 lb | 0.08 lb |
| 0.33 cups | 0.09 lb | 0.10 lb | 0.11 lb |
| 0.5 cups | 0.14 lb | 0.15 lb | 0.17 lb |
| 0.75 cups | 0.21 lb | 0.22 lb | 0.25 lb |
| 1 cup | 0.28 lb | 0.30 lb | 0.34 lb |
| 1.5 cups | 0.42 lb | 0.45 lb | 0.51 lb |
| 2 cups | 0.56 lb | 0.60 lb | 0.68 lb |
| 3 cups | 0.85 lb | 0.89 lb | 1.02 lb |
| 4 cups | 1.13 lb | 1.19 lb | 1.36 lb |
| 5 cups | 1.41 lb | 1.49 lb | 1.69 lb |
Understanding the Units
What is a Cup?
A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.
What is a Pound?
The abbreviation "lb" comes from the Latin word "libra." One pound equals exactly 453.59237 grams. For rough mental math, 1 pound is slightly less than half a kilogram.