Two-Thirds Cup of Vanilla Extract in Grams

2/3 cup of vanilla extract weighs 138.67g (4.89 oz, 160ml) according to USDA FoodData Central (1 cup vanilla extract = 208g, 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.

2/3 Cup
138.67g
4.89 oz
2/3 Cup → ml
160ml
0.867 g/ml density
1 cup reference
208g
USDA standard

Vanilla Extract Cup-to-Gram Conversion Table

Full range from 1 tablespoon to 3 cups. The highlighted row shows 2/3 cup.

AmountGrams
1 tbsp13g
2 tbsp26g
1/8 cup26g
1/4 cup52g
1/3 cup69.33g
1/2 cup104g
2/3 cupthis page138.67g
3/4 cup156g
1 cup208g
1 1/4 cups260g
1 1/2 cups312g
1 3/4 cups364g
2 cups416g
2 1/2 cups520g
3 cups624g

Source: USDA FoodData Central (FDC ID: 2132). 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.

Ingredient2/3 Cup (g)
Vanilla Extractcurrent138.67g
Maple Syrup214.67g
Light Corn Syrup218.67g
Honey226.67g

All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.

Measuring Vanilla Extract Accurately

Why weight matters: 2/3 cup of vanilla extract can weigh anywhere from 118g to 166g depending on how you measure it. The USDA standard is 138.67g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About vanilla extract density: Vanilla extract (35%+ alcohol) is lighter than water. 1 teaspoon = 4.2g. Most recipes use teaspoon measurements. Pure vanilla extract and imitation have similar densities. Store in cool, dark place.

Spoon & Level
138.67g
USDA standard — most accurate for volume cups
Scooped (packed)
~159g
10–20% heavier — avoid for precision baking
Kitchen Scale
138.67g
Most reliable — eliminates technique variation

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 vanilla extract?

2/3 cup of vanilla extract weighs 138.67 grams (4.89 oz, 160ml). Based on USDA FoodData Central: 1 cup vanilla extract = 208g, so 2/3 cup = 208 × 0.667 = 138.67g.

Is 2/3 cup of vanilla extract the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 138.67g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 138.67g is the most reliable baseline for recipes.

How do I accurately measure 2/3 cup of vanilla extract?

For accuracy, use a kitchen scale and weigh 138.67g of vanilla extract. If using measuring cups, spoon the vanilla extract 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 vanilla extract 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.

Other Amounts for Vanilla Extract

Data source: USDA FoodData Central SR Legacy (FDC ID: 2132). View original USDA record

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