How many grams is half a cup of mashed potato?
½ cup of mashed potato ≈ 106.5 g
Because one US cup of mashed potato weighs about 213 grams, half a cup of it is roughly 106.5 grams. Mashed potato packs dense — spoon it in and level the top without pressing further.
Recipes that list mashed potato 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.
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Mashed potato conversion chart
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| ⅛ cup | 26.63 g | 0.939 oz | 2 |
| ¼ cup | 53.25 g | 1.88 oz | 4 |
| ⅓ cup | 71 g | 2.5 oz | 5.33 |
| ½ cup | 106.5 g | 3.76 oz | 8 |
| ⅔ cup | 142 g | 5.01 oz | 10.67 |
| ¾ cup | 159.8 g | 5.64 oz | 12 |
| 1 cup | 213 g | 7.51 oz | 16 |
| 1¼ cups | 266.3 g | 9.39 oz | 20 |
| 1½ cups | 319.5 g | 11.27 oz | 24 |
| 2 cups | 426 g | 15.03 oz | 32 |
| 3 cups | 639 g | 22.54 oz | 48 |
Other mashed potato 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.