Cup & Gram

150 Grams of Powdered Sugar to Cups

150 grams of powdered sugar equals 1 ¼ cups (1.25 US cups), based on 120 g per cup (spoon-and-level method). In the kitchen, measure 1 cup + 4 tbsp. For best results, weigh powdered sugar with a scale — cup measurements vary with how the cup is filled.

150 g of powdered sugar in every unit
US cups1 ¼ cups (1.25 cups)
Measured as1 cup + 4 tbsp
Ounces (weight)5.3 oz
Tablespoons (level)about 20 tbsp
Density used120 g per US cup

How to measure 150 g of powdered sugar without a scale

These values are for unsifted powdered sugar, spooned into the cup and leveled (120 g). If your recipe says "sifted powdered sugar," sift first and expect closer to 100 g per cup — sifting adds a lot of air.

Nearby amounts

Grams of powdered sugar to cups — nearby values
GramsCupsDecimal
100 g ⅞ cup 0.83
125 g 1 cup 1.04
175 g 1 ½ cups 1.46
200 g 1 ⅔ cups 1.67

150 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 Powdered (icing/confectioners') sugar = 2 ⅛ cups

Exactly 2.08 cups — or measure 2 cups + 1 tbsp.

More powdered sugar conversions: the full grams-to-cups powdered sugar chart · 1 cup of powdered sugar in grams

Density 120 g/cup — sources: USDA FoodData Central, King Arthur Baking ingredient weight chart. Data verified 2026-08-20. Methodology.