One and a Half Cups of Chopped Walnuts in Grams

1 1/2 cups of chopped walnuts weighs 180g (6.35 oz, 360ml) according to USDA FoodData Central (1 cup chopped walnuts = 120g, 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
180g
6.35 oz
1½ Cups → ml
360ml
0.5 g/ml density
1 cup reference
120g
USDA standard

Chopped Walnuts Cup-to-Gram Conversion Table

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

AmountGrams
1 tbsp7.5g
2 tbsp15g
1/8 cup15g
1/4 cup30g
1/3 cup40g
1/2 cup60g
2/3 cup80g
3/4 cup90g
1 cup120g
1 1/4 cups150g
1 1/2 cupsthis page180g
1 3/4 cups210g
2 cups240g
2 1/2 cups300g
3 cups360g

Source: USDA FoodData Central (FDC ID: 12155). 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)
Chopped Pecans163.5g
Chopped Walnutscurrent180g
Cashews (whole)195g
Pine Nuts202.5g
Peanut Butter387g

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

Measuring Chopped Walnuts Accurately

Why weight matters: 1 1/2 cups of chopped walnuts can weigh anywhere from 153g to 216g depending on how you measure it. The USDA standard is 180g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About chopped walnuts density: Chopped walnuts: 1 cup = 120g. Coarsely chopped vs finely chopped can vary by 10-15g/cup. Whole walnut halves: 1 cup = 100g (more air pockets). Toasted walnuts weigh slightly less per cup (moisture lost).

Spoon & Level
180g
USDA standard — most accurate for volume cups
Scooped (packed)
~207g
10–20% heavier — avoid for precision baking
Kitchen Scale
180g
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 chopped walnuts?

1 1/2 cups of chopped walnuts weighs 180 grams (6.35 oz, 360ml). Based on USDA FoodData Central: 1 cup chopped walnuts = 120g, so 1 1/2 cups = 120 × 1.500 = 180g.

Is 1 1/2 cups of chopped walnuts the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 180g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 180g is the most reliable baseline for recipes.

How do I accurately measure 1 1/2 cups of chopped walnuts?

For accuracy, use a kitchen scale and weigh 180g of chopped walnuts. If using measuring cups, spoon the chopped walnuts 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 chopped walnuts compare to other ingredients?

1 1/2 cups of different ingredients varies significantly: Chopped Pecans = 163.5g, Chopped Walnuts = 180g, Cashews (whole) = 195g. This is because each ingredient has a different density.

Other Amounts for Chopped Walnuts

Data source: USDA FoodData Central SR Legacy (FDC ID: 12155). View original USDA record

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