One and a Half Cups of Buttermilk in Grams
1 1/2 cups of buttermilk weighs 367.5g (12.96 oz, 360ml) according to USDA FoodData Central (1 cup buttermilk = 245g, spooned and leveled method). 1 1/2 cups = 1.5 of a full cup (240ml). See the full conversion table below for all amounts from 1 tablespoon to 3 cups.
Buttermilk Cup-to-Gram Conversion Table
Full range from 1 tablespoon to 3 cups. The highlighted row shows 1 1/2 cups.
| Amount | Grams |
|---|---|
| 1 tbsp | 15.31g |
| 2 tbsp | 30.63g |
| 1/8 cup | 30.63g |
| 1/4 cup | 61.25g |
| 1/3 cup | 81.67g |
| 1/2 cup | 122.5g |
| 2/3 cup | 163.33g |
| 3/4 cup | 183.75g |
| 1 cup | 245g |
| 1 1/4 cups | 306.25g |
| 1 1/2 cupsthis page | 367.5g |
| 1 3/4 cups | 428.75g |
| 2 cups | 490g |
| 2 1/2 cups | 612.5g |
| 3 cups | 735g |
Source: USDA FoodData Central (FDC ID: 1088). 1 US cup = 240ml. Values use spooned-and-leveled method.
1½ Cups of Different Ingredients — Weight Comparison
1 1/2 cups of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.
| Ingredient | 1½ Cups (g) |
|---|---|
| Heavy Cream | 357g |
| Light Cream (half & half) | 360g |
| Whole Milk | 366g |
| Skim Milk (Non-fat) | 367.5g |
| Buttermilkcurrent | 367.5g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Buttermilk Accurately
Why weight matters: 1 1/2 cups of buttermilk can weigh anywhere from 312g to 441g depending on how you measure it. The USDA standard is 367.5g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About buttermilk density: Buttermilk is similar in density to skim milk. 1 cup = 245g. The acidity (pH 4.5) activates baking soda and tenderizes gluten. No buttermilk? Mix 1 cup milk + 1 tablespoon white vinegar/lemon juice, wait 5 minutes.
About 1½ Cups as a Measurement
1 1/2 cups = 24 tablespoons = 360ml. This is the standard flour amount for a dozen standard-size cookies or a single-layer 8-inch cake. It bridges the gap between single-cup and double-cup recipe scales.
One and a half cups appears most often in cookie dough recipes (flour), quick bread recipes (oats or mix-ins), and pasta sauce recipes (liquid ingredients). It equals 360ml or 12 fluid ounces.
Frequently Asked Questions
How many grams is 1 1/2 cups of buttermilk?
1 1/2 cups of buttermilk weighs 367.5 grams (12.96 oz, 360ml). Based on USDA FoodData Central: 1 cup buttermilk = 245g, so 1 1/2 cups = 245 × 1.500 = 367.5g.
Is 1 1/2 cups of buttermilk the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 367.5g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 367.5g is the most reliable baseline for recipes.
How do I accurately measure 1 1/2 cups of buttermilk?
For accuracy, use a kitchen scale and weigh 367.5g of buttermilk. If using measuring cups, spoon the buttermilk lightly into a 1½ Cups measuring cup and level off the top with a straight edge. Avoid scooping directly from the container, which compacts the ingredient and adds extra weight.
How does 1 1/2 cups of buttermilk compare to other ingredients?
1 1/2 cups of different ingredients varies significantly: Heavy Cream = 357g, Light Cream (half & half) = 360g, Whole Milk = 366g. This is because each ingredient has a different density.