Two-Thirds Cup of Light Corn Syrup in Grams
2/3 cup of light corn syrup weighs 218.67g (7.71 oz, 160ml) according to USDA FoodData Central (1 cup light corn syrup = 328g, spooned and leveled method). 2/3 cup = 0.6667 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 2/3 cup.
| 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 cupthis page | 218.67g |
| 3/4 cup | 246g |
| 1 cup | 328g |
| 1 1/4 cups | 410g |
| 1 1/2 cups | 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.
2/3 Cup of Different Ingredients — Weight Comparison
2/3 cup of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.
| Ingredient | 2/3 Cup (g) |
|---|---|
| Vanilla Extract | 138.67g |
| Maple Syrup | 214.67g |
| Light Corn Syrupcurrent | 218.67g |
| Honey | 226.67g |
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: 2/3 cup of light corn syrup can weigh anywhere from 186g to 262g depending on how you measure it. The USDA standard is 218.67g (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 2/3 Cup as a Measurement
2/3 cup = 10 tablespoons + 2 teaspoons = 160ml. This measure appears when scaling up 1/3 cup recipes by doubling. Use two 1/3-cup measures for accuracy, as 2/3 cup sets are less common.
Two-thirds cup is often seen in oatmeal cookie recipes, breakfast grain bowls, and rice cooker recipes for 2 servings. It equals exactly 160ml or approximately 5.4 fluid ounces.
Frequently Asked Questions
How many grams is 2/3 cup of light corn syrup?
2/3 cup of light corn syrup weighs 218.67 grams (7.71 oz, 160ml). Based on USDA FoodData Central: 1 cup light corn syrup = 328g, so 2/3 cup = 328 × 0.667 = 218.67g.
Is 2/3 cup of light corn syrup the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 218.67g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 218.67g is the most reliable baseline for recipes.
How do I accurately measure 2/3 cup of light corn syrup?
For accuracy, use a kitchen scale and weigh 218.67g of light corn syrup. If using measuring cups, spoon the light corn syrup lightly into a 2/3 Cup 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 2/3 cup of light corn syrup compare to other ingredients?
2/3 cup of different ingredients varies significantly: Vanilla Extract = 138.67g, Maple Syrup = 214.67g, Light Corn Syrup = 218.67g. This is because each ingredient has a different density.