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Cornstarch: cups to grams

One US cup of cornstarch weighs about 112 grams (4.0 oz). Use the converter or the tables below.

Cornstarch cup to gram chart

CupsGramsOunces
1/4 cup28 g1.0 oz
1/3 cup37 g1.3 oz
1/2 cup56 g2.0 oz
2/3 cup75 g2.6 oz
3/4 cup84 g3.0 oz
1 cup112 g4.0 oz
1.5 cup168 g5.9 oz
2 cup224 g7.9 oz
3 cup336 g11.9 oz
4 cup448 g15.8 oz

Spoons and millilitres

AmountWeight
1 tablespoon7.0 g
1 teaspoon2.3 g
1 fluid ounce14.0 g
100 ml47.3 g

Where these weights come from

Weights follow the King Arthur Baking ingredient weight chart (rounded). Brands and measuring methods vary, so treat results as close estimates.

Going the other way? Try cornstarch grams to cups.

Common questions

How many grams are in 1 cup of cornstarch?

About 112 grams (4.0 oz) for a US cup.

How many grams are in half a cup of cornstarch?

About 56 grams.

Is it better to weigh cornstarch than to use cups?

Yes. A scale gives the same result every time, while cup measures change with how you scoop or pack the ingredient.

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