How Much Is 0.39 Cups of Cornstarch in Grams?
Converting 0.39 cups of cornstarch to grams gives 49.92 g. One cup of cornstarch weighs 128g, so 0.39 cups is 0.39 × 128 = 49.92g. This conversion is specific to cornstarch because each ingredient has a different density.
Formula and Step-by-Step
- Start with 0.39 cups of cornstarch
- 1 cup of cornstarch = 128g
- 0.39 × 128 = 49.92g
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 (0.39 cups) is highlighted.
For reference, 0.39 cups of cornstarch (49.92g) is close in weight to a large egg (no shell) (50g).
Other Amounts of Cornstarch
| Cups | US Grams | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 32.00 g | 33.81 g | 38.43 g |
| 0.33 cups | 42.24 g | 44.63 g | 50.73 g |
| 0.39 cups | 49.92 g | 52.75 g | 59.95 g |
| 0.5 cups | 64.00 g | 67.63 g | 76.86 g |
| 0.75 cups | 96.00 g | 101.44 g | 115.29 g |
| 1 cup | 128.00 g | 135.26 g | 153.72 g |
| 1.5 cups | 192.00 g | 202.88 g | 230.58 g |
| 2 cups | 256.00 g | 270.51 g | 307.44 g |
| 3 cups | 384.00 g | 405.77 g | 461.17 g |
| 4 cups | 512.00 g | 541.02 g | 614.89 g |
| 5 cups | 640.00 g | 676.28 g | 768.61 g |
Understanding the Units
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.
What is a Gram?
A gram (g) is a metric unit of mass equal to 1/1000 of a kilogram. It is the standard weight measurement for precise baking worldwide. Professional bakers prefer grams because they are more accurate than volume measurements.