Cup & Gram

100 Grams of Brown Sugar to Cups

100 grams of brown sugar (packed) equals ½ cup (0.47 US cups), based on 213 g per cup (packed into the cup). In the kitchen, measure 8 tbsp. For best results, weigh brown sugar (packed) with a scale — cup measurements vary with how the cup is filled.

100 g of brown sugar (packed) in every unit
US cups½ cup (0.47 cups)
Measured as8 tbsp
Ounces (weight)3.5 oz
Tablespoons (level)about 7.5 tbsp
Density used213 g per US cup

How to measure 100 g of brown sugar (packed) without a scale

Brown sugar is always measured packed: press it firmly into the cup until it holds the cup’s shape when turned out. Packed is 213 g per cup; loosely filled can weigh 25% less, which noticeably changes moisture and spread in cookies.

Nearby amounts

Grams of brown sugar (packed) to cups — nearby values
GramsCupsDecimal
50 g ¼ cup 0.23
75 g ⅓ cup 0.35
125 g ⅝ cup 0.59
150 g ⅔ cup 0.7

100 grams of other ingredients

The same weight fills a very different cup depending on density — that's why "grams to cups" always needs the ingredient:

Convert another amount

250 g Light brown sugar (packed) = 1 ⅛ cups

Exactly 1.17 cups — or measure 1 cup + 3 tbsp.

More brown sugar conversions: the full grams-to-cups brown sugar chart · 1/2 cups of brown sugar (packed) in grams

Density 213 g/cup — sources: King Arthur Baking ingredient weight chart, USDA FoodData Central. Data verified 2026-08-20. Methodology.