Convert Icing Sugar from Ounces

Icing Sugar Measurement Converter

Use the tool below to convert icing sugar from Ounces to the measurement that you need.

Icing sugar is a finely milled white sugar with a light, silky texture. One metric cup weighs approximately 125 grams (4.41 oz), noticeably lighter than granulated sugar because the fine particles don't pack as tightly. It's used in buttercreams, glazes, frostings, and as a dusting over cakes and pastries.

Icing sugar is so fine and airy that the amount you get in a cup can vary significantly depending on how it's scooped — measuring by weight gives far more consistent results. This page lets you convert icing sugar between grams, cups, tablespoons, and more so your recipes turn out reliably every time.

Also known as

Powdered Sugar
Confectioners' Sugar

Granulated sugar is the coarse, crystalline form that icing sugar is milled from. It is heavier by cup (201 g vs 125 g) and creams into butter for cakes, whereas icing sugar suits frostings and dusting, so the two are not a straight 1:1 swap. See our Sugar converter.

Raw sugar has large, coarse crystals with a faint molasses taste, far removed from the fine powder of icing sugar. It packs much heavier (200 g vs 125 g per cup), so the two are not a straight swap. See our Raw Sugar converter.

Out of icing sugar? See icing sugar substitutes →

No scale? No worries. The tool below gives a good estimate, but for exact bakes a digital kitchen scale is worth it.

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Common Icing Sugar Conversions

Here are the most common icing sugar conversions from ounces to cups.

Ounces	Cups
1 oz	0.23 cups
2 oz	0.45 cups
3 oz	0.68 cups
4 oz	0.91 cups
5 oz	1.13 cups
6 oz	1.36 cups
8 oz	1.81 cups
10 oz	2.27 cups
12 oz	2.72 cups

Icing Sugar Conversion Chart

The conversion chart below gives a quick reference for converting icing sugar from Ounces to other measurements.

ounces	cup	grams	cup(US)	tbsp	tsp
2.5 oz	0.57 cup	70.86 g	0.59 cup (US)	9.45 tbsp	28.34 tsp
5 oz	1.13 cup	141.72 g	1.18 cup (US)	18.9 tbsp	56.69 tsp
7.5 oz	1.7 cup	212.59 g	1.77 cup (US)	28.34 tbsp	85.03 tsp
10 oz	2.27 cup	283.45 g	2.36 cup (US)	37.79 tbsp	113.38 tsp

Measurement Options

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Other Ingredients

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