Two Cups of Cornstarch in Grams
2 cups of cornstarch weighs 256g (9.03 oz, 480ml) according to USDA FoodData Central (1 cup cornstarch = 128g, spooned and leveled method). 2 cups = 2 of a full cup (240ml). See the full conversion table below for all amounts from 1 tablespoon to 3 cups.
Cornstarch Cup-to-Gram Conversion Table
Full range from 1 tablespoon to 3 cups. The highlighted row shows 2 cups.
| Amount | Grams |
|---|---|
| 1 tbsp | 8g |
| 2 tbsp | 16g |
| 1/8 cup | 16g |
| 1/4 cup | 32g |
| 1/3 cup | 42.67g |
| 1/2 cup | 64g |
| 2/3 cup | 85.33g |
| 3/4 cup | 96g |
| 1 cup | 128g |
| 1 1/4 cups | 160g |
| 1 1/2 cups | 192g |
| 1 3/4 cups | 224g |
| 2 cupsthis page | 256g |
| 2 1/2 cups | 320g |
| 3 cups | 384g |
Source: USDA FoodData Central (FDC ID: 20027). 1 US cup = 240ml. Values use spooned-and-leveled method.
2 Cups of Different Ingredients — Weight Comparison
2 cups of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.
| Ingredient | 2 Cups (g) |
|---|---|
| Cocoa Powder (unsweetened) | 200g |
| Tapioca Flour (Starch) | 240g |
| Cornstarchcurrent | 256g |
| Arrowroot Powder | 256g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Cornstarch Accurately
Why weight matters: 2 cups of cornstarch can weigh anywhere from 218g to 307g depending on how you measure it. The USDA standard is 256g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About cornstarch density: Cornstarch (corn flour in UK) is a fine white powder. 1 cup = 128g. Used as a thickener for sauces and gravies. 1 tablespoon cornstarch = 2 tablespoons all-purpose flour as a thickener.
About 2 Cups as a Measurement
2 cups = 480ml = 1 US pint. This is the standard flour amount for many standard loaf cake and quick bread recipes. It is exactly equal to 1 US liquid pint and 32 tablespoons.
Two cups is the standard flour amount for a 9×5 inch loaf of quick bread, one batch of waffles, or a standard-size layer cake. At 480ml, it equals exactly 1 US pint of volume.
Frequently Asked Questions
How many grams is 2 cups of cornstarch?
2 cups of cornstarch weighs 256 grams (9.03 oz, 480ml). Based on USDA FoodData Central: 1 cup cornstarch = 128g, so 2 cups = 128 × 2.000 = 256g.
Is 2 cups of cornstarch the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 256g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 256g is the most reliable baseline for recipes.
How do I accurately measure 2 cups of cornstarch?
For accuracy, use a kitchen scale and weigh 256g of cornstarch. If using measuring cups, spoon the cornstarch lightly into a 2 Cups measuring cup and level off the top with a straight edge. Avoid scooping directly from the container, which compacts the ingredient and adds extra weight.
How does 2 cups of cornstarch compare to other ingredients?
2 cups of different ingredients varies significantly: Cocoa Powder (unsweetened) = 200g, Tapioca Flour (Starch) = 240g, Cornstarch = 256g. This is because each ingredient has a different density.