Cup & Gram

100 Grams of Sugar to Cups

100 grams of granulated sugar equals ½ cup (0.5 US cups), based on 200 g per cup (level cup). In the kitchen, measure 8 tbsp. For best results, weigh granulated sugar with a scale — cup measurements vary with how the cup is filled.

100 g of granulated sugar in every unit
US cups½ cup (0.5 cups)
Measured as8 tbsp
Ounces (weight)3.5 oz
Tablespoons (level)about 8 tbsp
Density used200 g per US cup

How to measure 100 g of granulated sugar without a scale

Granulated sugar flows evenly, so scoop-and-level is fine — it settles to nearly the same weight however you fill the cup. That makes sugar the most forgiving ingredient to measure by volume; a level cup is 200 g within a gram or two.

Nearby amounts

Grams of granulated sugar to cups — nearby values
GramsCupsDecimal
80 g ⅜ cup 0.4
90 g ½ cup 0.45
110 g ½ cup 0.55
120 g ⅝ cup 0.6

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 Granulated sugar = 1 ¼ cups

Exactly 1.25 cups — or measure 1 cup + 4 tbsp.

More sugar conversions: the full grams-to-cups sugar chart · 1/2 cups of granulated sugar in grams

Density 200 g/cup — sources: USDA FoodData Central, King Arthur Baking ingredient weight chart. Data verified 2026-08-20. Methodology.