One and a Half Cups of Cream of Tartar in Grams
1 1/2 cups of cream of tartar weighs 358.5g (12.65 oz, 360ml) according to USDA FoodData Central (1 cup cream of tartar = 239g, 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.
Cream of Tartar 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 | 14.94g |
| 2 tbsp | 29.88g |
| 1/8 cup | 29.88g |
| 1/4 cup | 59.75g |
| 1/3 cup | 79.67g |
| 1/2 cup | 119.5g |
| 2/3 cup | 159.33g |
| 3/4 cup | 179.25g |
| 1 cup | 239g |
| 1 1/4 cups | 298.75g |
| 1 1/2 cupsthis page | 358.5g |
| 1 3/4 cups | 418.25g |
| 2 cups | 478g |
| 2 1/2 cups | 597.5g |
| 3 cups | 717g |
Source: USDA FoodData Central (FDC ID: 2074). 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) |
|---|---|
| Active Dry Yeast | 204g |
| Baking Powder | 345g |
| Baking Soda | 345g |
| Cream of Tartarcurrent | 358.5g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Cream of Tartar Accurately
Why weight matters: 1 1/2 cups of cream of tartar can weigh anywhere from 305g to 430g depending on how you measure it. The USDA standard is 358.5g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About cream of tartar density: Cream of tartar: 1 teaspoon = 5g. Stabilizes egg whites in meringues. Mix 2 parts cream of tartar + 1 part baking soda = baking powder substitute. Also prevents sugar crystallization in candy making.
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 cream of tartar?
1 1/2 cups of cream of tartar weighs 358.5 grams (12.65 oz, 360ml). Based on USDA FoodData Central: 1 cup cream of tartar = 239g, so 1 1/2 cups = 239 × 1.500 = 358.5g.
Is 1 1/2 cups of cream of tartar the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 358.5g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 358.5g is the most reliable baseline for recipes.
How do I accurately measure 1 1/2 cups of cream of tartar?
For accuracy, use a kitchen scale and weigh 358.5g of cream of tartar. If using measuring cups, spoon the cream of tartar 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 cream of tartar compare to other ingredients?
1 1/2 cups of different ingredients varies significantly: Active Dry Yeast = 204g, Baking Powder = 345g, Baking Soda = 345g. This is because each ingredient has a different density.