Two-Thirds Cup of Chia Seeds in Grams

2/3 cup of chia seeds weighs 106.67g (3.76 oz, 160ml) according to USDA FoodData Central (1 cup chia seeds = 160g, 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
106.67g
3.76 oz
2/3 Cup → ml
160ml
0.667 g/ml density
1 cup reference
160g
USDA standard

Chia Seeds Cup-to-Gram Conversion Table

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

AmountGrams
1 tbsp10g
2 tbsp20g
1/8 cup20g
1/4 cup40g
1/3 cup53.33g
1/2 cup80g
2/3 cupthis page106.67g
3/4 cup120g
1 cup160g
1 1/4 cups200g
1 1/2 cups240g
1 3/4 cups280g
2 cups320g
2 1/2 cups400g
3 cups480g

Source: USDA FoodData Central (FDC ID: 170554). 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)
Sunflower Seeds (shelled)85.33g
Pumpkin Seeds (pepitas)86g
Sesame Seeds96g
Flaxseed (whole)99.33g
Chia Seedscurrent106.67g
Hemp Seeds (hulled)106.67g

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

Measuring Chia Seeds Accurately

Why weight matters: 2/3 cup of chia seeds can weigh anywhere from 91g to 128g depending on how you measure it. The USDA standard is 106.67g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About chia seeds density: Chia seeds: 1 cup = 160g. Very small and dense — pack tightly. Absorb up to 12x their weight in water forming a gel. 1 tablespoon chia + 3 tablespoons water = 1 egg substitute. Black and white chia seeds are nutritionally identical. USDA FDC 170554.

Spoon & Level
106.67g
USDA standard — most accurate for volume cups
Scooped (packed)
~123g
10–20% heavier — avoid for precision baking
Kitchen Scale
106.67g
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 chia seeds?

2/3 cup of chia seeds weighs 106.67 grams (3.76 oz, 160ml). Based on USDA FoodData Central: 1 cup chia seeds = 160g, so 2/3 cup = 160 × 0.667 = 106.67g.

Is 2/3 cup of chia seeds the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 106.67g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 106.67g is the most reliable baseline for recipes.

How do I accurately measure 2/3 cup of chia seeds?

For accuracy, use a kitchen scale and weigh 106.67g of chia seeds. If using measuring cups, spoon the chia seeds 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 chia seeds compare to other ingredients?

2/3 cup of different ingredients varies significantly: Sunflower Seeds (shelled) = 85.33g, Pumpkin Seeds (pepitas) = 86g, Sesame Seeds = 96g. This is because each ingredient has a different density.

Other Amounts for Chia Seeds

Data source: USDA FoodData Central SR Legacy (FDC ID: 170554). View original USDA record

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