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Cooking conversion
Milliliters of Buttermilk to Ounces
How many ounces are in milliliters of buttermilk? Type a value below to see the result instantly. Cooking conversions depend on the density of each ingredient — the math here uses 1.035 g/mL for buttermilk.
Calculator
1 mL of buttermilk = 0.036509 oz
Milliliters of Buttermilk to Ounces Conversion Table
Common values for buttermilk:
| Milliliters of buttermilk | Ounces |
|---|---|
| 0.25 mL | 0.009127 oz |
| 0.5 mL | 0.018254 oz |
| 1 mL | 0.036509 oz |
| 2 mL | 0.073017 oz |
| 3 mL | 0.109526 oz |
| 4 mL | 0.146034 oz |
| 5 mL | 0.182543 oz |
| 8 mL | 0.292068 oz |
| 10 mL | 0.365086 oz |
How this works
Buttermilk has a density of about 1.035 g/mL (usda fooddata central). That means 1 mL of buttermilk weighs 1.035 grams.
Ounces = milliliters × 0.0365
Note: Cultured buttermilk.
Why a cup of buttermilk doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of buttermilk can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here (1.035 g/mL) matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.
Sourced from USDA FoodData Central. Cultured buttermilk.
Volume vs weight in cooking
The American convention of measuring ingredients by volume (cups, tablespoons, teaspoons) is convenient but introduces variability that doesn't exist in weight-based recipes. Most professional bakers and bakeries weigh ingredients to within a gram because the structure of baked goods depends on precise ingredient ratios. For everyday cooking — soups, sauces, sautés — the volume-to-weight imprecision rarely matters. For baking that depends on rising or texture (cakes, breads, laminated doughs), it matters a lot.
The conversion
Multiplying the volume of buttermilk by its density (1.035 g/mL) gives the weight in grams. The calculator at the top of this page does the math automatically; the formula box above shows the resulting linear factor for the specific volume and weight units selected here.