How many grams is half a cup of arrowroot starch?
½ cup of arrowroot starch ≈ 64 g
Because one US cup of arrowroot starch weighs about 128 grams, half a cup of it is roughly 64 grams. Gluten-free thickener; spoon and level — do not pack. Best in fruit fillings and acidic sauces where cornstarch fails.
Recipes that list arrowroot starch in cups assume an average density. The figure above is a sensible typical value; if your recipe is sensitive, weigh on a kitchen scale — see our methodology.
Substitutions Ok
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Arrowroot starch conversion chart
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| ⅛ cup | 16 g | 0.564 oz | 2 |
| ¼ cup | 32 g | 1.13 oz | 4 |
| ⅓ cup | 42.67 g | 1.51 oz | 5.33 |
| ½ cup | 64 g | 2.26 oz | 8 |
| ⅔ cup | 85.33 g | 3.01 oz | 10.67 |
| ¾ cup | 96 g | 3.39 oz | 12 |
| 1 cup | 128 g | 4.52 oz | 16 |
| 1¼ cups | 160 g | 5.64 oz | 20 |
| 1½ cups | 192 g | 6.77 oz | 24 |
| 2 cups | 256 g | 9.03 oz | 32 |
| 3 cups | 384 g | 13.55 oz | 48 |
Other arrowroot starch conversions
* Conversion figures are typical average weights for one US customary cup (236.6 ml), based on the King Arthur Baking Ingredient Weight Chart and cross-referenced with the U.S. Department of Agriculture FoodData Central database. Actual weight varies with packing, brand and humidity — see our methodology.