Reference Density•120g / US Cup

100 Grams of Powdered Sugar (Confectioners) to Cups

Baking volume guide, measurement breakdown, and density calculations for 100g of powdered sugar (confectioners).

Direct Answer

100 grams of powdered sugar (confectioners) converts to 0.83 cups (13 tablespoons + 1 teaspoon).

Unless another cup standard is selected, GramsToCups uses the US Customary cup (defined here as 236.588 mL), calculated with a reference density of 120 grams per cup. In common kitchen measurements, this is equivalent to 13.3 tablespoons (13 tablespoons + 1 teaspoon), or 3.53 dry ounces.

Practical Measurement Decomposition & Shortcut Advice

Spoon Breakdown

13 tablespoons + 1 teaspoon

Nearest Clean Cup Mark

¾ cup (90g basis)

The nearest clean measure is ¾ cup, which is 10g over. That is suitable for simple dessert dusting but a digital scale is recommended for royal icing or silky buttercream.

Convert 100g Powdered Sugar to Other Volume Units

Calculate how 100 grams of powdered sugar (confectioners) converts across US customary, US legal, metric, and UK imperial cups.

100g
grams
Brand Density & Package OverrideKing Arthur Baking

Custom package weights override standard database densities for this session without altering official database records.

Calculated Conversion Output
13 tablespoons + 1 teaspoon
0.83 cups
Basis: 1 US Customary Cup (236.59 ml) = 120g (Powdered Sugar)
1 Cup Measuring Container
1 Cup¾½¼
Cross-Unit Equivalent Strip
Tablespoons13.3 tbsp
Teaspoons40 tsp
Ounces3.53 oz
Millilitres197.2 ml
Butter SticksN/A
Pounds0.22 lbs
Recent Session Conversions (In-Memory):
Perform a conversion above to track recent session items.

Cross-Unit Conversion Table for 100g Powdered Sugar (Confectioners)

Complete measurement equivalents for 100 grams of powdered sugar (confectioners) across standard kitchen units.

Cross-Unit Conversion Table for 100g Powdered Sugar (Confectioners)
Measurement UnitConverted ValueConversion Basis
US Customary Cups0.83 cups (13 tablespoons + 1 teaspoon)236.588 ml / cup (120g/cup default)
US Legal Cups0.82 cups240 ml nutrition label basis
Metric Cups0.79 cups250 ml international standard
US Tablespoons13.3 tbsp16 tbsp per US cup
US Teaspoons40.0 tsp48 tsp per US cup
Ounces Weight3.53 oz28.3495 grams per dry oz
Fluid Volume (ml)197.2 mlDensity: 0.5072 g/ml
Pounds (lbs)0.220 lbs453.592 grams per lb

Brand Variance Analysis for 100g Powdered Sugar (Confectioners)

Different commercial brands of powdered sugar (confectioners) publish slightly different cup weights. Here is how 100 grams of powdered sugar (confectioners) measures across documented brands:

Brand Variance Analysis for 100g Powdered Sugar (Confectioners)
BrandPublished Cup Weight100g Converted VolumeDifference in Tbsp
Domino120g / cup0.83 cups0.1 tbsp spread
King Arthur Baking113g / cup0.88 cups0.9 tbsp spread

Recipe Context: Measuring 100g of Powdered Sugar (Confectioners)

100 grams of powdered sugar (confectioners) measures to 0.83 cups (13 tablespoons + 1 teaspoon).

Spoon into cup and level or sift first as recipe directs.

Related Weight & Ingredient Navigation

Frequently Asked Questions: 100g Powdered Sugar (Confectioners)

How many cups is 100 grams of powdered sugar (confectioners)?

100 grams of powdered sugar (confectioners) equals 0.83 cups (13 tablespoons + 1 teaspoon), based on a reference density of 120 grams per US customary cup. This is equivalent to 13.3 tablespoons (13 tablespoons + 1 teaspoon).

Is 100g of powdered sugar (confectioners) equal to ¾ cup?

100 grams of powdered sugar (confectioners) equals 0.83 cups, which differs from ¾ cup by 10 grams. The practical breakdown is 13 tablespoons + 1 teaspoon.

Should I measure 100g of powdered sugar (confectioners) by weight or volume?

Measuring 100 grams on a digital kitchen scale is always recommended for precision baking. However, if using volume, Spoon into cup and level or sift first as recipe directs.

Data Sources & Editorial Verification

Our Calculation Methodology →
Primary Density Source

King Arthur Baking

Brand Benchmarks: Domino (120g/cup), King Arthur Baking (113g/cup)
Editorial Audit

Last reviewed on 2026-08-20

Methodology & formulas audited against our calculation standards.