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Grams of Powdered Sugar to Cups

Converting Powdered Sugar accurately from grams to cups is essential for perfect baking and cooking. Because of its unique density, the standard measurement is 120g per US cup.

Whether you are following a European recipe or just prefer the precision of a digital scale, knowing the exact weight of a cup of Powdered Sugar ensures consistent, professional results every time.

Best for: Buttercream frosting, icing, dusting, whipped cream, royal icing
60.0g
½ cup
120g
1 cup
240g
2 cups

Powdered Sugar Grams to Cups Calculator

Use this live calculator to find the exact volume for your recipe. Enter the weight in grams below.

Result
1.00
US Cups
or 16 tablespoons

Powdered Sugar Conversion Table — Grams to Cups

A quick reference guide for common recipe amounts of Powdered Sugar.

Grams (g) US Cups Tablespoons Frosting Use
10g0.081.3-
20g0.172.7-
50g0.426.7-
100g0.8313.3-
120g1.016.0-
150g1.2520.0-
200g1.6726.7-
250g2.0833.3-
300g2.540.0-
400g3.3353.3-
500g4.1766.7-
750g6.25100.0-
1000g8.33133.3-

* Values are calculated based on a density of 120g per cup.

Powdered Sugar Compared With Similar Ingredients

See how Powdered Sugar compares in density to other related ingredients.

Ingredient Grams per Cup Notes
Powdered Sugar This page 120g Standard measurement
Granulated Sugar200gSimilar substitute
Caster Sugar200gAlternative use
Icing Sugar120gAlternative use
Cornstarch128gAlternative use
Confectioners Sugar120gAlternative use

How to Measure Powdered Sugar Accurately

Proper measurement technique is vital for recipe success. Here's how to handle Powdered Sugar.

1. Preparation

Always sift before using

2. Technique

Spoon into measuring cup

3. Consistency

Very light — packs and clumps easily

4. Precision

Weigh for frosting consistency

What Changes the Measured Result

Spoon & Level

Standard method yields exactly 120g.

Scooping / Packing

Increases density, causing a heavier cup and potentially altering recipe balance.

Using a Scale

The most consistent and foolproof method. Always weigh for best results.

Why Powdered Sugar Measurement Matters in Recipes

The exact amount of Powdered Sugar can dramatically change the chemistry of your cooking and baking.

🔬

Cornstarch content prevents caking

Consistent ratios are crucial for structural integrity.

⚖️

Smooth frosting texture

Too much or too little alters the final spread and rise.

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Dissolves without grit

Precise amounts ensure predictable reactions at temperature.

Dusting/decoration applications

Ensures the perfect texture and crumb structure.

Why grams are easier for Powdered Sugar

Measuring Powdered Sugar by volume is subject to human error (packing, scooping). A digital scale eliminates the guesswork, getting you exactly 120g every time.

Powdered Sugar in Common Recipes

See how Powdered Sugar is commonly used across popular recipes.

Vanilla buttercream

Standard usage amount.

2 cups 240g

Royal icing

Standard usage amount.

3 cups 360g

Cream cheese frosting

Standard usage amount.

1.5 cups 180g

Shortbread dusting

Standard usage amount.

0.25 cup 30g

Glaze

Standard usage amount.

1 cup 120g

Chocolate ganache glaze

Standard usage amount.

0.5 cup 60g

Macaron batter

Standard usage amount.

1.6 cups 200g

Whipped cream

Standard usage amount.

0.25 cup 30g

Pro Tip

Always refer to your specific recipe's notes. Some authors may use a non-standard cup size or a different measuring technique, though 120g per cup is the industry standard for Powdered Sugar.

Powdered Sugar Grams to Cups — FAQ

How many cups is 100g of Powdered Sugar?

100 grams of Powdered Sugar is approximately 0.83 cups. This calculation is based on the standard density of 120g per US cup. Using a digital kitchen scale is the best way to measure exactly 100g.

How many cups is 200g of Powdered Sugar?

200 grams of Powdered Sugar equals exactly 1.0 cups. This assumes you are using the standard spoon and level method to measure the volume.

How many grams in 1 cup of Powdered Sugar?

There are exactly 120 grams in one US cup of Powdered Sugar. This is the standard culinary weight used by professional bakers and recipe developers worldwide.

What is 60.0g of Powdered Sugar in cups?

60.0 grams of Powdered Sugar is exactly half a cup (0.5 cup). When halving recipes, weighing your ingredients ensures you maintain the correct ratios.

same as icing sugar?

Yes, they are identical. Understanding the difference helps you make better substitutions and achieve the perfect texture in your final bake.

cornstarch in it why

To prevent clumping. Always consider how moisture and density will affect the chemistry of the recipe.

sub granulated sugar?

Not directly, it will be gritty. Be mindful of regional differences in ingredient terminology when following international recipes.

lumping prevention

Store dry, always sift before use. Precision is key in baking, and volume measurements can vary wildly depending on how they are packed into the cup.

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