GramsToCupsGramsToCups

300 Grams of Cornstarch to Cups

Ingredient
Cornstarch
Cup standard
Cups (US Customary)
2.34 (2⅓)
Tablespoons
37.5
Teaspoons
112.5
Milliliters
555 ml

300 grams of cornstarch = 2.34 cups (2⅓ cups / 37.5 tablespoons)

Cornstarch has a density of approximately 128g per cup. Sifted cornstarch is closer to 115g. Source: USDA FoodData Central.

GramsCupsFractionTablespoons
280g2.192⅛35.0
290g2.2736.3
300g2.342⅓37.5
325g2.5440.6
350g2.7343.8

Bakers reach for cornstarch in amounts like this for everyday recipes — scaling a batch up, adjusting a single serving, or matching a recipe written in grams. Measuring by weight keeps the result consistent no matter who's in the kitchen.

Frequently Asked Questions

What is 300 grams of cornstarch in cups?+

300 grams of cornstarch is 2.34 cups (2⅓ cups), or 37.5 tablespoons.

How do I measure 300 grams of cornstarch without a scale?+

Use 2⅓ cups, spooned in and leveled off with a straight edge. If you only have tablespoons, use 37.5 tablespoons instead.