Baking Weights
1 Cup Powdered Sugar in Grams (113 g) – Conversion Chart & Calculator

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Powdered Sugar: Cups to Grams

1 cup of powdered sugar = 113 g (3.99 oz)

Converter

Fractions OK: try “3/4” or “1 1/2”.

Conversion chart

VolumeGramsOunces
1/8 cup14.1 g0.50 oz
1/4 cup28.2 g1.00 oz
1/3 cup37.7 g1.33 oz
1/2 cup56.5 g1.99 oz
2/3 cup75.3 g2.66 oz
3/4 cup84.8 g2.99 oz
1 cup113 g3.99 oz
1 1/2 cup169.5 g5.98 oz
2 cup226 g7.97 oz
3 cup339 g11.96 oz
1 tbsp7.1 g0.25 oz
2 tbsp14.1 g0.50 oz
3 tbsp21.2 g0.75 oz
4 tbsp28.2 g1.00 oz
6 tbsp42.4 g1.49 oz
8 tbsp56.5 g1.99 oz
1 tsp2.4 g0.08 oz
2 tsp4.7 g0.17 oz

This value is for unsifted powdered (confectioners') sugar. Sifted sugar is airier and weighs less per cup, which is one more reason to weigh it.

FAQ

How many grams are in 1 cup of powdered sugar?

1 US cup of powdered sugar weighs 113 grams (3.99 oz), according to the King Arthur Baking ingredient weight chart.

How many grams are in a tablespoon of powdered sugar?

About 7.1 grams. There are 16 tablespoons in a US cup, so 113 g ÷ 16 = 7.1 g per tablespoon (and about 2.4 g per teaspoon).

How many cups is 100 grams of powdered sugar?

100 g of powdered sugar is about 0.88 cups (14.2 tablespoons), based on 113 g per cup.

Source: King Arthur Baking — Ingredient Weight Chart. Chart entry: “Confectioners' sugar (unsifted) — 1 cup = 4 oz / 113 g”. Other amounts are calculated from 113 g per cup.