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Cornstarch

Density: 0.507 g/ml • Dry Goods

Convert Cornstarch

Quick Reference — 1 Cornstarch

FromToEquals
1 cupsg120
1 cupstbsp16
1 cupstsp48
1 tbspg7.5
1 tbsptsp3
1 tspg2.5
1 ozg28.35
1 gcups0.008
1 gtbsp0.133

How to measure cornstarch

Cornstarch has a density of 0.507 g/ml. One cup of cornstarch weighs approximately 120 grams. For the most accurate baking, always weigh ingredients on a kitchen scale.

Source: King Arthur Baking Company & USDA National Nutrient Database

Cornstarch Conversion Chart (grams to cups)

GramsCups
50 g≈ 0.42 cups
100 g≈ 0.83 cups
150 g≈ 1.25 cups
200 g≈ 1.67 cups
250 g≈ 2.08 cups
300 g≈ 2.50 cups
400 g≈ 3.33 cups
500 g≈ 4.17 cups

Approximate values based on density of 0.507 g/ml. Always weigh for precision.

Cornstarch Conversion FAQs

How many grams in 1 cup of cornstarch?+

1 US cup of cornstarch weighs approximately 120 grams. This is based on the ingredient's density of 0.507 g/ml, which is the standard used by professional bakers.

How many grams in 1 tablespoon of cornstarch?+

1 tablespoon of cornstarch weighs approximately 7.5 grams (1/16 of a cup). Use the converter above for any amount.

How many grams in 1 teaspoon of cornstarch?+

1 teaspoon of cornstarch weighs approximately 2.5 grams (1/48 of a cup).

How many cups is 100 grams of cornstarch?+

100 grams of cornstarch is approximately 0.83 cups (about 13 tablespoons). Weighing is always more accurate than measuring by volume.

Is 1 cup of cornstarch the same as 120 grams?+

Yes — in professional baking standards, 1 US cup of cornstarch equals 120 grams. Always use a kitchen scale for the most accurate results, since how ingredients settle in a cup can vary.