🥣 Cooking conversion

1/3 cup powdered sugar to grams

1/3 cup powdered sugar is about 39.6 grams using an estimated 120 g per cup density. See nearby cup values and baking notes.

Ingredient-aware answer

1/3 cup powdered sugar ≈ 39.6 g

This uses an estimated density of 120 grams per cup for powdered sugar.

Baking note: Powdered sugar can compact and may differ by brand and sifting. For best baking accuracy, use a kitchen scale.

Powdered Sugar cup-to-gram table

grams = cups × 120. This ingredient-specific estimate is more useful than a generic cups-to-grams conversion.

A cup measures volume. Grams measure weight. Different ingredients have different densities, so one cup does not always equal the same grams.

How many grams is 1/3 cup powdered sugar?

1/3 cup powdered sugar is about 39.6 grams using 120 grams per cup.

Is this exact?

No. Ingredient cup weights vary by brand, packing, humidity, and measuring method.

Should I weigh ingredients for baking?

Yes. A kitchen scale is more accurate than cup measurements, especially for flour, cocoa, powdered sugar, and brown sugar.