One and a Half Cups of Flaxseed (whole) in Grams

1 1/2 cups of flaxseed (whole) weighs 223.5g (7.88 oz, 360ml) according to USDA FoodData Central (1 cup flaxseed (whole) = 149g, 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.

1½ Cups
223.5g
7.88 oz
1½ Cups → ml
360ml
0.621 g/ml density
1 cup reference
149g
USDA standard

Flaxseed (whole) Cup-to-Gram Conversion Table

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

AmountGrams
1 tbsp9.31g
2 tbsp18.63g
1/8 cup18.63g
1/4 cup37.25g
1/3 cup49.67g
1/2 cup74.5g
2/3 cup99.33g
3/4 cup111.75g
1 cup149g
1 1/4 cups186.25g
1 1/2 cupsthis page223.5g
1 3/4 cups260.75g
2 cups298g
2 1/2 cups372.5g
3 cups447g

Source: USDA FoodData Central (FDC ID: 169414). 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.

Ingredient1½ Cups (g)
Sunflower Seeds (shelled)192g
Pumpkin Seeds (pepitas)193.5g
Sesame Seeds216g
Flaxseed (whole)current223.5g
Chia Seeds240g
Hemp Seeds (hulled)240g

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

Measuring Flaxseed (whole) Accurately

Why weight matters: 1 1/2 cups of flaxseed (whole) can weigh anywhere from 190g to 268g depending on how you measure it. The USDA standard is 223.5g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About flaxseed (whole) density: Whole flaxseeds: 1 cup = 149g. Ground flaxseed (flax meal) is lighter: ~130g/cup. Ground flax is more digestible and bioavailable than whole. 1 tablespoon ground flax + 3 tablespoons water = 1 egg substitute (flax egg). USDA FDC 169414.

Spoon & Level
223.5g
USDA standard — most accurate for volume cups
Scooped (packed)
~257g
10–20% heavier — avoid for precision baking
Kitchen Scale
223.5g
Most reliable — eliminates technique variation

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 flaxseed (whole)?

1 1/2 cups of flaxseed (whole) weighs 223.5 grams (7.88 oz, 360ml). Based on USDA FoodData Central: 1 cup flaxseed (whole) = 149g, so 1 1/2 cups = 149 × 1.500 = 223.5g.

Is 1 1/2 cups of flaxseed (whole) the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 223.5g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 223.5g is the most reliable baseline for recipes.

How do I accurately measure 1 1/2 cups of flaxseed (whole)?

For accuracy, use a kitchen scale and weigh 223.5g of flaxseed (whole). If using measuring cups, spoon the flaxseed (whole) 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 flaxseed (whole) compare to other ingredients?

1 1/2 cups of different ingredients varies significantly: Sunflower Seeds (shelled) = 192g, Pumpkin Seeds (pepitas) = 193.5g, Sesame Seeds = 216g. This is because each ingredient has a different density.

Other Amounts for Flaxseed (whole)

Data source: USDA FoodData Central SR Legacy (FDC ID: 169414). View original USDA record

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