How Much Is 5 Cups of Cornstarch in Pounds?
Converting 5 cups of cornstarch to pounds gives 1.41 lb. One cup of cornstarch weighs 128g, so 5 cups is 5 × 128 = 640g (1.41 lb). This conversion is specific to cornstarch because each ingredient has a different density.
Formula and Step-by-Step
- Start with 5 cups of cornstarch
- 1 cup of cornstarch = 128g
- 5 × 128 = 640g
- Convert grams to pounds: 640 ÷ 453.592 = 1.41 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 (5 cups) is highlighted.
For reference, 5 cups of cornstarch (640g) is close in weight to a basketball (624g).
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?
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 a Pound?
Pounds are the standard weight unit for buying ingredients in the US. A standard bag of flour is 5 pounds (2,268g) and a standard bag of sugar is 4 pounds (1,814g).