How many metric cup is 1 us cup of powdered sugar?

1 us cup of powdered sugar weighs approximately 1 metric cup. This is based on a density of 0.45 g/ml for powdered sugar.

How do I measure powdered sugar accurately?

For powdered sugar, spoon into the measuring cup and level off. Brown sugar should be packed firmly.

Why does powdered sugar have a specific cup-to-gram conversion?

Powdered Sugar has a density of 0.45 g/ml, meaning each milliliter weighs 0.45 grams. Different ingredients have different densities—for example, flour is lighter than sugar—which is why each needs its own conversion factor.

Powdered Sugar

US Cup to Metric Cup

Ingredient

Amount

From

Result

0.95cup

high confidence USDA source

Powdered Sugar — Quick Reference

Common us cup to metric cup conversions

Powdered Sugar: US Cup to Metric Cup conversion table
US Cup	Metric Cup
¼ cup	0cup
⅓ cup	0cup
½ cup	0cup
⅔ cup	1cup
¾ cup	1cup
1 cup	1cup
1½ cups	1cup
2 cups	2cup

Based on powdered sugar density of 0.45 g/ml (spooned method). Source: USDA FoodData Central.

Understanding Powdered Sugar Conversions

The Math Behind This Conversion

Converting 1 us cup to metric cup is a direct volume conversion. One us cup equals 236.59ml, and one metric cup equals 250ml. So 1 us cup (236.59ml) equals 0.9 metric cup.

Measurement Tip

Powdered Sugar should be sifted before measuring for the most accurate results. Sifted powdered sugar has a lower density than unsifted, so recipes may specify one or the other.

About Our Data

The density value of 0.45 g/ml for powdered sugar is from the USDA FoodData Central database (ID: 169656). This measurement was taken with powdered sugar spooned into the measuring cup and leveled. Different measurement methods affect the density: sifted (0.42 g/ml), packed (0.6 g/ml).

View source data on USDA FoodData Central (ID: 169656)

Frequently Asked Questions

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