Cornstarch: Cups to Grams
One US cup of cornstarch weighs about 120 grams (4.2 oz). Use the converter or the chart below for any amount.
Unit
cups
tablespoons
teaspoons
Unit
grams
Ingredient
Cornstarch
—
Approximate values. Density varies with how the ingredient is packed, sifted, or measured.
Cornstarch cups to grams chart
| Amount | Grams | Ounces |
|---|---|---|
| 1/8 cup cornstarch | 15 g | 0.5 oz |
| 1/4 cup cornstarch | 30 g | 1.1 oz |
| 1/3 cup cornstarch | 40 g | 1.4 oz |
| 1/2 cup cornstarch | 60 g | 2.1 oz |
| 2/3 cup cornstarch | 80 g | 2.8 oz |
| 3/4 cup cornstarch | 90 g | 3.2 oz |
| 1 cup cornstarch | 120 g | 4.2 oz |
| 1 1/2 cups cornstarch | 180 g | 6.3 oz |
| 2 cups cornstarch | 240 g | 8.5 oz |
| 3 cups cornstarch | 360 g | 12.7 oz |
| 1 tablespoon cornstarch | 7.5 g | 0.3 oz |
| 1 teaspoon cornstarch | 2.5 g | 0.1 oz |
Measuring cornstarch accurately
Also called cornflour in the UK. Because a cup measures volume rather than weight, the most reliable way to get the same result every time is to weigh cornstarch on a kitchen scale and aim for the gram figure above. The conversions on this page are based on the US cup of about 236.6 ml.
FAQ
- How many grams is 1 cup of cornstarch?
- One US cup of cornstarch weighs about 120 grams (4.2 oz). Also called cornflour in the UK.
- How many grams is half a cup of cornstarch?
- Half a US cup of cornstarch is about 60 grams.
- How many grams is 1 tablespoon of cornstarch?
- One tablespoon of cornstarch is about 7.5 grams, since a tablespoon is one sixteenth of a cup.