BakingGrams

Cornstarch: Cups to Ounces

1 cup of cornstarch = 4.52 ounces (based on 128 g per US cup).

Result

4.52 oz

1 cups of cornstarch · based on 128 g per cup

cupsounces
1/4 cup1.13 oz
1/3 cup1.51 oz
1/2 cup2.26 oz
2/3 cup3.01 oz
3/4 cup3.39 oz
1 cup4.52 oz
1 1/4 cup5.64 oz
1 1/2 cup6.77 oz
2 cup9.03 oz
3 cup13.55 oz
4 cup18.06 oz

FAQ

How many ounces is 1 cup of cornstarch?

1 cup of cornstarch is about 4.52 ounces, based on a standard weight of 128 grams per US cup.

Why do gram weights for cornstarch vary between recipes?

Volume measurements depend on how the ingredient is packed. Spooned-and-leveled cornstarch weighs less than scooped. Our values use standard baking averages, so brands and techniques may differ by a few percent.

Is it better to measure cornstarch by weight or volume?

Weight. A kitchen scale removes packing errors entirely, which is why professional recipes list grams. Use this table to convert older volume-based recipes.

More cornstarch conversions

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