One and a Half Cups of Steel-Cut Oats in Grams
1 1/2 cups of steel-cut oats weighs 240g (8.47 oz, 360ml) according to USDA FoodData Central (1 cup steel-cut oats = 160g, 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.
Steel-Cut Oats 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 | 10g |
| 2 tbsp | 20g |
| 1/8 cup | 20g |
| 1/4 cup | 40g |
| 1/3 cup | 53.33g |
| 1/2 cup | 80g |
| 2/3 cup | 106.67g |
| 3/4 cup | 120g |
| 1 cup | 160g |
| 1 1/4 cups | 200g |
| 1 1/2 cupsthis page | 240g |
| 1 3/4 cups | 280g |
| 2 cups | 320g |
| 2 1/2 cups | 400g |
| 3 cups | 480g |
Source: USDA FoodData Central (FDC ID: 173904). 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) |
|---|---|
| Rolled Oats | 135g |
| Oat Flour | 138g |
| Steel-Cut Oatscurrent | 240g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Steel-Cut Oats Accurately
Why weight matters: 1 1/2 cups of steel-cut oats can weigh anywhere from 204g to 288g depending on how you measure it. The USDA standard is 240g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About steel-cut oats density: Steel-cut oats: 1 cup = 160g — significantly denser than rolled oats (90g/cup). Cut from whole oat groats by steel blades, not rolled. Takes 20-30 minutes to cook. Chewier texture with lower glycemic index than rolled oats. Also called Irish oats or pinhead oats.
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 steel-cut oats?
1 1/2 cups of steel-cut oats weighs 240 grams (8.47 oz, 360ml). Based on USDA FoodData Central: 1 cup steel-cut oats = 160g, so 1 1/2 cups = 160 × 1.500 = 240g.
Is 1 1/2 cups of steel-cut oats the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 240g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 240g is the most reliable baseline for recipes.
How do I accurately measure 1 1/2 cups of steel-cut oats?
For accuracy, use a kitchen scale and weigh 240g of steel-cut oats. If using measuring cups, spoon the steel-cut oats 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 steel-cut oats compare to other ingredients?
1 1/2 cups of different ingredients varies significantly: Rolled Oats = 135g, Oat Flour = 138g, Steel-Cut Oats = 240g. This is because each ingredient has a different density.