Convert Icing Sugar from Cup to Grams

How many grams is 1 cup of icing sugar?

1 cup of icing sugar (Powdered Sugar) is 125 grams. 2 cups of icing sugar is 250 grams. Use the converter below for any amount.

  • These figures use the metric cup (250 ml). A US cup is slightly smaller at 240 ml, so it holds a little less. Use the US cup converter →
  • Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →

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 measuring cups? The tool below gets you close. For consistent results, grab a measuring cup set.

Icing Sugar Measurement Converter

Enter a value and pick your units.

Result

0 Grams

Common Icing Sugar Conversions

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

CupsGrams
0.25 cups31.25 g
0.5 cups62.5 g
0.75 cups93.75 g
1 cup125 g
1.25 cups156.25 g
1.5 cups187.5 g
2 cups250 g
2.5 cups312.5 g
3 cups375 g

Icing Sugar Conversion Chart

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

cupgramsouncescup(US)tbsptsp
0.25 cup31.25 g1.1 oz0.26 cup (US)4.17 tbsp12.5 tsp
0.5 cup62.5 g2.21 oz0.52 cup (US)8.33 tbsp25 tsp
1 cup125 g4.41 oz1.04 cup (US)16.67 tbsp50 tsp
2 cup250 g8.82 oz2.08 cup (US)33.33 tbsp100 tsp

Frequently Asked Questions

How many grams is 1 cup of icing sugar?
1 cup of icing sugar is 125 grams. The ratio is fixed, so 2 cups of icing sugar is 250 grams and 0.5 cups is 62.5 grams. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the icing sugar converter
How many grams is 1.5 cups of icing sugar?
1.5 cups of icing sugar is 187.5 grams. The ratio is fixed, so 1 cup of icing sugar is 125 grams and 2 cups is 250 grams. Type any other amount into the converter above for the exact figure, or use the chart below for the common ones.
How many grams is 2 cups of icing sugar?
2 cups of icing sugar is 250 grams. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 cup of icing sugar is 125 grams, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact grams reading.
How many cups of icing sugar is 125 grams?
125 grams of icing sugar is 1 cup. The conversion works the same in reverse, so you can switch between grams and cups without changing the result. This helps when a recipe lists cups but you would rather weigh or measure in grams. The converter above and the chart below cover both directions for any amount.
How many grams is 1 cup of Powdered Sugar?
Powdered Sugar is another name for icing sugar, so 1 cup of Powdered Sugar is 125 grams, exactly the same as icing sugar. The figure does not change with the name: 2 cups is 250 grams and 0.5 cups is 62.5 grams. Use the converter above for any quantity, or read the conversion chart on this page for the most common amounts.

Other Ingredients

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