Cups to Grams — cornstarch

1 cup of cornstarch weighs about 128 g, because its measured density is 0.54 g/ml and one US cup is 236.588 ml.

128 g

Conversion table

CupsGramsOunces
0.25321.1
0.33421.5
0.5642.3
0.67863.0
0.75963.4
11284.5
1.51926.8
22569.0

Frequently asked

How many grams in a cup of cornstarch? About 128 g per US cup.