20 Grams of Cornstarch to Cups
Ingredient
Cornstarch
Cup standard
- Cups (US Customary)
- 0.16 (⅛)
- Tablespoons
- 2.5
- Teaspoons
- 7.5
- Milliliters
- 37 ml
20 grams of cornstarch = 0.16 cups (⅛ cup / 2.5 tablespoons)
Cornstarch has a density of approximately 128g per cup. Sifted cornstarch is closer to 115g. Source: USDA FoodData Central.
| Grams | Cups | Fraction | Tablespoons |
|---|---|---|---|
| 10g | 0.08 | ⅛ | 1.3 |
| 15g | 0.12 | ⅛ | 1.9 |
| 20g | 0.16 | ⅛ | 2.5 |
| 25g | 0.20 | ¼ | 3.1 |
| 30g | 0.23 | ¼ | 3.8 |
Bakers reach for cornstarch in amounts like this for everyday recipes — scaling a batch up, adjusting a single serving, or matching a recipe written in grams. Measuring by weight keeps the result consistent no matter who's in the kitchen.
Frequently Asked Questions
What is 20 grams of cornstarch in cups?+
20 grams of cornstarch is 0.16 cups (⅛ cup), or 2.5 tablespoons.
How do I measure 20 grams of cornstarch without a scale?+
Use ⅛ cup, spooned in and leveled off with a straight edge. If you only have tablespoons, use 2.5 tablespoons instead.