Two-Thirds Cup of Whole Milk in Grams

2/3 cup of whole milk weighs 162.67g (5.74 oz, 160ml) according to USDA FoodData Central (1 cup whole milk = 244g, 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
162.67g
5.74 oz
2/3 Cup → ml
160ml
1.017 g/ml density
1 cup reference
244g
USDA standard

Whole Milk Cup-to-Gram Conversion Table

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

AmountGrams
1 tbsp15.25g
2 tbsp30.5g
1/8 cup30.5g
1/4 cup61g
1/3 cup81.33g
1/2 cup122g
2/3 cupthis page162.67g
3/4 cup183g
1 cup244g
1 1/4 cups305g
1 1/2 cups366g
1 3/4 cups427g
2 cups488g
2 1/2 cups610g
3 cups732g

Source: USDA FoodData Central (FDC ID: 1077). 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)
Heavy Cream158.67g
Light Cream (half & half)160g
Whole Milkcurrent162.67g
Skim Milk (Non-fat)163.33g
Buttermilk163.33g

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

Measuring Whole Milk Accurately

Why weight matters: 2/3 cup of whole milk can weigh anywhere from 138g to 195g depending on how you measure it. The USDA standard is 162.67g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About whole milk density: Whole milk is slightly denser than water. 1 cup (240ml) = 244g. The fat content (3.25%) barely affects density. For baking, 1 cup milk = 240ml = 244g. Most recipes assume whole milk unless specified.

Spoon & Level
162.67g
USDA standard — most accurate for volume cups
Scooped (packed)
~187g
10–20% heavier — avoid for precision baking
Kitchen Scale
162.67g
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 whole milk?

2/3 cup of whole milk weighs 162.67 grams (5.74 oz, 160ml). Based on USDA FoodData Central: 1 cup whole milk = 244g, so 2/3 cup = 244 × 0.667 = 162.67g.

Is 2/3 cup of whole milk the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 162.67g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 162.67g is the most reliable baseline for recipes.

How do I accurately measure 2/3 cup of whole milk?

For accuracy, use a kitchen scale and weigh 162.67g of whole milk. If using measuring cups, spoon the whole milk 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 whole milk compare to other ingredients?

2/3 cup of different ingredients varies significantly: Heavy Cream = 158.67g, Light Cream (half & half) = 160g, Whole Milk = 162.67g. This is because each ingredient has a different density.

Other Amounts for Whole Milk

Data source: USDA FoodData Central SR Legacy (FDC ID: 1077). View original USDA record

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