One and a Half Cups of Brown Sugar (packed) in Grams

1 1/2 cups of brown sugar (packed) weighs 330g (11.64 oz, 360ml) according to USDA FoodData Central (1 cup brown sugar (packed) = 220g, 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
330g
11.64 oz
1½ Cups → ml
360ml
0.917 g/ml density
1 cup reference
220g
USDA standard

Brown Sugar (packed) Cup-to-Gram Conversion Table

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

AmountGrams
1 tbsp13.75g
2 tbsp27.5g
1/8 cup27.5g
1/4 cup55g
1/3 cup73.33g
1/2 cup110g
2/3 cup146.67g
3/4 cup165g
1 cup220g
1 1/4 cups275g
1 1/2 cupsthis page330g
1 3/4 cups385g
2 cups440g
2 1/2 cups550g
3 cups660g

Source: USDA FoodData Central (FDC ID: 19334). 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)
Powdered Sugar180g
Granulated Sugar300g
Caster Sugar315g
Brown Sugar (packed)current330g

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

Measuring Brown Sugar (packed) Accurately

Why weight matters: 1 1/2 cups of brown sugar (packed) can weigh anywhere from 281g to 396g depending on how you measure it. The USDA standard is 330g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About brown sugar (packed) density: Brown sugar is almost always measured packed. Press firmly into the cup — it should hold its shape when turned out. 1 cup packed = 220g. Light brown: ~200g. Dark brown: ~220g. The molasses coating makes it sticky and dense.

Spoon & Level
330g
USDA standard — most accurate for volume cups
Scooped (packed)
~379g
10–20% heavier — avoid for precision baking
Kitchen Scale
330g
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 brown sugar (packed)?

1 1/2 cups of brown sugar (packed) weighs 330 grams (11.64 oz, 360ml). Based on USDA FoodData Central: 1 cup brown sugar (packed) = 220g, so 1 1/2 cups = 220 × 1.500 = 330g.

Is 1 1/2 cups of brown sugar (packed) the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 330g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 330g is the most reliable baseline for recipes.

How do I accurately measure 1 1/2 cups of brown sugar (packed)?

For accuracy, use a kitchen scale and weigh 330g of brown sugar (packed). If using measuring cups, spoon the brown sugar (packed) 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 brown sugar (packed) compare to other ingredients?

1 1/2 cups of different ingredients varies significantly: Powdered Sugar = 180g, Granulated Sugar = 300g, Caster Sugar = 315g. This is because each ingredient has a different density.

Other Amounts for Brown Sugar (packed)

Data source: USDA FoodData Central SR Legacy (FDC ID: 19334). View original USDA record

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