Cup & Gram

20 Grams of Sugar to Cups

20 grams of granulated sugar equals ⅛ cup (0.1 US cups), based on 200 g per cup (level cup). In the kitchen, measure 2 tbsp. For best results, weigh granulated sugar with a scale — cup measurements vary with how the cup is filled.

Small amounts like this fit in a single cup measure with room to spare; the fraction matters more than the cup, so level carefully.

How much is 20 grams of granulated sugar?

20 g of granulated sugar in every unit
US cups⅛ cup (0.1 cups)
Measured as2 tbsp
Ounces (weight)0.7 oz
Tablespoons (level)about 1.6 tbsp
Density used200 g per US cup

How to measure 20 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
5 g 0 cups 0.03
10 g 0 cups 0.05
15 g ⅛ cup 0.07
25 g ⅛ cup 0.13
30 g ⅛ cup 0.15
40 g ¼ cup 0.2
50 g ¼ cup 0.25

20 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

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