Cups to Grams: Cornstarch Conversion
1 cup of Cornstarch = 128 grams (4.52 oz)
Based on standard dry density factors for cornstarch.
Convert cups to grams for Cornstarch instantly. Baking requires high precision, and using cups can cause significant errors due to density variations. Our calculator uses the true density of cornstarch for the most accurate conversions.
Interactive Cups to Grams Converter
cups
Weight (Spooned/Sifted) 128g
(4.52 oz) Cups to Grams Reference Matrix
| Volume (Cups) | Weight (Grams) | Weight (Ounces) | Real-world Context |
|---|---|---|---|
| 0.25 cups | 32g | 1.13 oz | Quarter cup size |
| 0.33 cups | 42.24g | 1.49 oz | Standard recipe amount for cornstarch |
| 0.5 cups | 64g | 2.26 oz | Half cup size |
| 0.67 cups | 85.76g | 3.03 oz | Standard recipe amount for cornstarch |
| 0.75 cups | 96g | 3.39 oz | Standard recipe amount for cornstarch |
| 1 cup | 128g | 4.52 oz | One full cup base |
| 1.5 cups | 192g | 6.77 oz | Standard recipe amount for cornstarch |
| 2 cups | 256g | 9.03 oz | Double recipe batch |
| 3 cups | 384g | 13.55 oz | Standard recipe amount for cornstarch |
| 4 cups | 512g | 18.06 oz | Standard recipe amount for cornstarch |
The Math behind the Conversion
Weight is calculated by multiplying volume by ingredient density:
grams = cups × 128 Since cups measure volume and grams measure weight, the cup size varies for each ingredient. For instance, a cup of sugar weights 200g, whereas a cup of flour weighs only 120g.