Cornstarch: Cups to Grams
1 cup of cornstarch weighs about 112 grams. Convert any amount instantly below.
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 1/4 cup | 140 g | 4.9 oz | 20 tbsp |
| 1 1/3 cup | 149.3 g | 5.3 oz | 21.3 tbsp |
| 1 1/2 cup | 168 g | 5.9 oz | 24 tbsp |
| 1 3/4 cup | 196 g | 6.9 oz | 28 tbsp |
| 2 cup | 224 g | 7.9 oz | 32 tbsp |
| 3 cup | 336 g | 11.9 oz | 48 tbsp |
Based on 112 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.
Grams to cups: cornstarch
Working backwards from a weight? Here is how common gram amounts of cornstarch convert to cups (at 112 g per cup).
| Grams | Cups | Tablespoons | Ounces |
|---|---|---|---|
| 10 g | 0.09 cups | 1.4 tbsp | 0.4 oz |
| 25 g | 0.22 cups | 3.6 tbsp | 0.9 oz |
| 50 g | 0.45 cups | 7.1 tbsp | 1.8 oz |
| 75 g | 0.67 cups | 10.7 tbsp | 2.6 oz |
| 100 g | 0.89 cups | 14.3 tbsp | 3.5 oz |
| 125 g | 1.12 cups | 17.9 tbsp | 4.4 oz |
| 150 g | 1.34 cups | 21.4 tbsp | 5.3 oz |
| 200 g | 1.79 cups | 28.6 tbsp | 7.1 oz |
| 250 g | 2.23 cups | 35.7 tbsp | 8.8 oz |
| 300 g | 2.68 cups | 42.9 tbsp | 10.6 oz |
| 500 g | 4.46 cups | 71.4 tbsp | 17.6 oz |
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 3/4 cup of cornstarch?
Three quarters of a US cup of cornstarch is about 84 grams (12 tablespoons).
How many grams is 2/3 cup of cornstarch?
2/3 of a US cup of cornstarch is about 74.7 grams.
How many grams is 1/2 cup of cornstarch?
Half a US cup of cornstarch is about 56 grams — half of the 112 g in a full cup.
How many grams is 1/3 cup of cornstarch?
A third of a US cup of cornstarch is about 37.3 grams.
How many grams is 1/4 cup of cornstarch?
A quarter US cup of cornstarch is about 28 grams (4 tablespoons).
How many grams is 1 tablespoon of cornstarch?
1 tablespoon of cornstarch is about 7 grams (a cup is 16 tablespoons).
How many grams is 1 1/4 cups of cornstarch?
1 1/4 US cups of cornstarch weigh about 140 grams.
How many grams is 1 1/2 cups of cornstarch?
1 1/2 US cups of cornstarch weigh about 168 grams — one full cup (112 g) plus half a cup (56 g).
How many grams is 2 cups of cornstarch?
2 US cups of cornstarch weigh about 224 grams.
How many cups is 100 grams of cornstarch?
100 grams of cornstarch is about 0.89 cups.
How many cups is 250 grams of cornstarch?
250 grams of cornstarch is about 2.23 cups (at 112 g per cup).
How many cups is 500 grams of cornstarch?
500 grams of cornstarch is about 4.46 cups.
Other flours & starches
See the full flours & starches conversion chart →