Flours & starches

Cornstarch: cups to grams

1 cup of cornstarch = 128 g. 1 tablespoon = 8 g, 1 teaspoon = 2.7 g.

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Cornstarch cups to grams

CupsGramsOunces
⅛ cup16 g0.564 oz
¼ cup32 g1.13 oz
⅓ cup42.7 g1.51 oz
½ cup64 g2.26 oz
⅔ cup85.3 g3.01 oz
¾ cup96 g3.39 oz
1 cup128 g4.52 oz
1 ½ cups192 g6.77 oz
2 cups256 g9.03 oz
3 cups384 g13.55 oz
4 cups512 g18.06 oz

Cornstarch spoons to grams

SpoonGrams
¼ tsp0.7 g
½ tsp1.3 g
1 tsp2.7 g
½ tbsp4 g
1 tbsp8 g
2 tbsp16 g
3 tbsp24 g

Cornstarch grams to cups

GramsCupsMeasure it as
10 g0.0781½ tbsp
25 g0.1953 tbsp
50 g0.391⅜
100 g0.781¾ cup + ½ tbsp
125 g0.977¾ cup + 3½ tbsp
150 g1.171 cup + 3 tbsp
200 g1.561 ½ cups + 1 tbsp
250 g1.951 ¾ cups + 3½ tbsp
300 g2.342 ⅓
400 g3.133 ⅛
500 g3.913 ¾ cups + 2½ tbsp
1000 g7.817 ¾ cups + 1 tbsp

About these numbers

Measured level, in a US cup (236.6 ml). The weights are from USDA FoodData Central, record #169698 (Cornstarch). For baking, a kitchen scale is more reliable than any cup.

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Frequently asked questions

How many grams is 1 cup of cornstarch?

128 g (a US cup, 236.6 ml).

How many grams is 1 tablespoon of cornstarch?

8 g. A teaspoon is 2.7 g.

How many cups is 100 g of cornstarch?

0.781 cups — about ¾ cup + ½ tbsp.

How much does a cup of cornstarch weigh in ounces?

4.52 oz by weight.

Where do these numbers come from?

USDA FoodData Central, record #169698 (Cornstarch).