Cornstarch - Cups to Grams Conversion Calculator
Convert cups to grams for cornstarch with method-based precision.
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About Cornstarch
Cornstarch is a fine, white powder extracted from corn kernels. It is used as a thickener in sauces and fillings, and as a cake flour substitute when combined with all-purpose flour. Its density is 0.541 g/ml.
For reverse conversion, 1 cup of cornstarch weighs approximately 128g with Spoon & Level.
Density data sourced from USDA FoodData Central. US Cup = 236.588ml (NIST). Results are estimates.
Popular Conversions
| Volume (cups) | Grams (Spoon & Level) | Grams (Dip & Sweep) | Grams (Sifted) |
|---|---|---|---|
| 1/8 cups | 16g | 19g | 14g |
| 1/4 cups | 32g | 38g | 27g |
| 1/3 cups | 43g | 50g | 36g |
| 1/2 cups | 64g | 76g | 54g |
| 2/3 cups | 85g | 101g | 73g |
| 3/4 cups | 96g | 113g | 82g |
| 1 cup | 128g | 151g | 109g |
| 1 1/4 cups | 160g | 189g | 136g |
| 1 1/2 cups | 192g | 227g | 163g |
| 1 3/4 cups | 224g | 264g | 190g |
| 2 cups | 256g | 302g | 218g |
| 2 1/4 cups | 288g | 340g | 245g |
| 2 1/2 cups | 320g | 378g | 272g |
| 2 3/4 cups | 352g | 415g | 299g |
| 3 cups | 384g | 453g | 326g |
| 3 1/2 cups | 448g | 529g | 381g |
| 3 3/4 cups | 480g | 566g | 408g |
| 4 cups | 512g | 604g | 435g |
| 4 1/4 cups | 544g | 642g | 462g |
| 4 1/2 cups | 576g | 680g | 490g |
| 5 cups | 640g | 755g | 544g |
| 8 cups | 1024g | 1208g | 870g |
Expert Tips
Cornstarch is a powerful thickener - use 1 tablespoon per cup of liquid for medium thickness.
Mix cornstarch with cold liquid before adding to hot mixtures to prevent lumps.
Cornstarch mixed with all-purpose flour (2 tbsp per cup) makes a good substitute for cake flour.
Nutrition Facts
Nutrition Facts
Per 100g of Cornstarch
Values are approximate and based on USDA data.
Related Ingredients
Frequently Asked Questions About Cornstarch Cups to Grams
1/4 cup of cornstarch weighs approximately 32g using Spoon & Level, or 38g with Dip & Sweep.
1/3 cup of cornstarch weighs approximately 43g using Spoon & Level, or 50g with Dip & Sweep.
1/2 cup of cornstarch weighs approximately 64g using Spoon & Level, or 76g with Dip & Sweep.
2/3 cup of cornstarch weighs approximately 85g using Spoon & Level, or 101g with Dip & Sweep.
3/4 cup of cornstarch weighs approximately 96g using Spoon & Level, or 113g with Dip & Sweep.
1 cup of cornstarch weighs approximately 128g using Spoon & Level, or 151g with Dip & Sweep.
1 1/4 cups of cornstarch weighs approximately 160g using Spoon & Level, or 189g with Dip & Sweep.
1 1/2 cups of cornstarch weighs approximately 192g using Spoon & Level, or 227g with Dip & Sweep.
Using the Spoon & Level method, 125g of cornstarch equals approximately 0.98 cups. Cornstarch has a density of 0.541 g/ml, similar to all-purpose flour.
Yes, but use half the amount. Cornstarch has twice the thickening power of flour. Mix it with cold liquid first to prevent lumps.
Replace 2 tablespoons of all-purpose flour per cup with 2 tablespoons of cornstarch. The cornstarch dilutes the protein content, mimicking cake flour's lower protein level.