How many grams is half a cup of buttermilk?
½ cup of buttermilk ≈ 120 g
Because one US cup of buttermilk weighs about 240 grams, half a cup of it is roughly 120 grams. Buttermilk weighs about the same as regular milk per cup.
Recipes that list buttermilk 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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Buttermilk conversion chart
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| ⅛ cup | 30 g | 1.06 oz | 2 |
| ¼ cup | 60 g | 2.12 oz | 4 |
| ⅓ cup | 80 g | 2.82 oz | 5.33 |
| ½ cup | 120 g | 4.23 oz | 8 |
| ⅔ cup | 160 g | 5.64 oz | 10.67 |
| ¾ cup | 180 g | 6.35 oz | 12 |
| 1 cup | 240 g | 8.47 oz | 16 |
| 1¼ cups | 300 g | 10.58 oz | 20 |
| 1½ cups | 360 g | 12.7 oz | 24 |
| 2 cups | 480 g | 16.93 oz | 32 |
| 3 cups | 720 g | 25.4 oz | 48 |
Other buttermilk 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.