Cornstarch: Cups to Grams
1 cup of cornstarch weighs about 112 grams. Convert any amount instantly below.
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Cornstarch conversion chart
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| 1/8 cup | 14 g | 0.5 oz | 2 tbsp |
| 1/4 cup | 28 g | 1 oz | 4 tbsp |
| 1/3 cup | 37.3 g | 1.3 oz | 5.3 tbsp |
| 1/2 cup | 56 g | 2 oz | 8 tbsp |
| 2/3 cup | 74.7 g | 2.6 oz | 10.7 tbsp |
| 3/4 cup | 84 g | 3 oz | 12 tbsp |
| 1 cup | 112 g | 4 oz | 16 tbsp |
| 1 1/2 cup | 168 g | 5.9 oz | 24 tbsp |
| 2 cup | 224 g | 7.9 oz | 32 tbsp |
Based on 112 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.
Measuring cornstarch accurately
Cornstarch compacts hard in the box, so loosen it and spoon it into the cup rather than dipping. Level without tapping. Even small differences matter when it's a thickener, so for sauces and gravies weighing 112g per cup gives you predictable, lump-free results.
Frequently asked questions
How many grams is 1 cup of cornstarch?
1 US cup of cornstarch weighs about 112 grams.
How many grams is 1 tablespoon of cornstarch?
1 tablespoon of cornstarch is about 7 grams (a cup is 16 tablespoons).
How many cups is 100 grams of cornstarch?
100 grams of cornstarch is about 0.9 cups.