Convert cups of cornstarch to grams instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert cups of cornstarch to grams
Multiply the value by 128.
g = cup × 128Example: 10 cup = 1280 g.
Cups of Cornstarch to Grams conversion table
| Cups of Cornstarch (cup) | Grams (g) |
|---|---|
| 1 cup | 128 g |
| 2 cup | 256 g |
| 3 cup | 384 g |
| 4 cup | 512 g |
| 5 cup | 640 g |
| 10 cup | 1280 g |
| 15 cup | 1920 g |
| 20 cup | 2560 g |
| 25 cup | 3200 g |
| 50 cup | 6400 g |
| 100 cup | 12800 g |
Frequently asked questions
How many grams is 1 cup of cornstarch?
1 cup of cornstarch equals 128 grams.
What is the formula to convert cup to g?
To convert cup to g, multiply the value by 128. The full formula is: g = cup × 128.
How do I convert grams back to cups of cornstarch?
Use the same calculator above and type your value into the grams field instead — it converts in both directions. Or use the reverse formula: cup = g ÷ 128.
Is the cup to g conversion exact?
The conversion factor used here (128) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.