One and a Half Cups of Light Corn Syrup in Grams
1 1/2 cups of light corn syrup weighs 492g (17.35 oz, 360ml) according to USDA FoodData Central (1 cup light corn syrup = 328g, 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.
Light Corn Syrup 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 | 20.5g |
| 2 tbsp | 41g |
| 1/8 cup | 41g |
| 1/4 cup | 82g |
| 1/3 cup | 109.33g |
| 1/2 cup | 164g |
| 2/3 cup | 218.67g |
| 3/4 cup | 246g |
| 1 cup | 328g |
| 1 1/4 cups | 410g |
| 1 1/2 cupsthis page | 492g |
| 1 3/4 cups | 574g |
| 2 cups | 656g |
| 2 1/2 cups | 820g |
| 3 cups | 984g |
Source: USDA FoodData Central (FDC ID: 19350). 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) |
|---|---|
| Vanilla Extract | 312g |
| Maple Syrup | 483g |
| Light Corn Syrupcurrent | 492g |
| Honey | 510g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Light Corn Syrup Accurately
Why weight matters: 1 1/2 cups of light corn syrup can weigh anywhere from 418g to 590g depending on how you measure it. The USDA standard is 492g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About light corn syrup density: Light corn syrup: 1 cup = 328g. Similar density to honey but slightly lighter. Made from cornstarch. Prevents sugar crystallization in candy making. Dark corn syrup adds molasses flavor. Karo brand most common in the US. USDA FDC 19350.
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 light corn syrup?
1 1/2 cups of light corn syrup weighs 492 grams (17.35 oz, 360ml). Based on USDA FoodData Central: 1 cup light corn syrup = 328g, so 1 1/2 cups = 328 × 1.500 = 492g.
Is 1 1/2 cups of light corn syrup the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 492g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 492g is the most reliable baseline for recipes.
How do I accurately measure 1 1/2 cups of light corn syrup?
For accuracy, use a kitchen scale and weigh 492g of light corn syrup. If using measuring cups, spoon the light corn syrup 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 light corn syrup compare to other ingredients?
1 1/2 cups of different ingredients varies significantly: Vanilla Extract = 312g, Maple Syrup = 483g, Light Corn Syrup = 492g. This is because each ingredient has a different density.