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Cornstarch to Cups

Cornstarch weighs approximately 128.000 grams per US customary cup. Use the calculator below to convert any amount of cornstarch between grams and cups.

Grams → Cups
Cups → Grams

About Cornstarch

Cornstarch is a fine white powder made from corn. It is used as a thickener for sauces, gravies, and pie fillings, and to soften the texture of baked goods.

Whether you are scaling a recipe up, substituting an ingredient, or converting a recipe from metric to US measurements, having an accurate grams-per-cup value for cornstarch removes the guesswork from your cooking. Bookmark this page for quick reference whenever cornstarch appears in a recipe.

Cornstarch Conversion Table

GramsCupsOunces
25 g0.20 cups0.88 oz
50 g0.39 cups1.76 oz
75 g0.59 cups2.65 oz
100 g0.78 cups3.53 oz
125 g0.98 cups4.41 oz
150 g1.17 cups5.29 oz
175 g1.37 cups6.17 oz
200 g1.56 cups7.05 oz
225 g1.76 cups7.94 oz
250 g1.95 cups8.82 oz
300 g2.34 cups10.58 oz
400 g3.13 cups14.11 oz
500 g3.91 cups17.64 oz

Frequently Asked Questions

  • help_outlineHow many grams is 1 cup of Cornstarch?

    One US customary cup of cornstarch weighs approximately 128 grams.

  • help_outlineHow many cups is 100 grams of Cornstarch?

    100 grams of cornstarch is approximately 0.78 cups.