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Powdered Sugar: Cups to Grams

1 cup = 120 g

1 US cup of powdered sugar weighs 120 grams (4.2 oz). Half a cup is 60 g and a tablespoon is 7.5 g.

Sifted, a cup of powdered (icing) sugar weighs about 100 g.

Amount

Unit

Ingredient

Cups to grams

1/8 cup 15 g

1/4 cup 30 g 1/3 cup 40 g 1/2 cup 60 g 2/3 cup 80 g 3/4 cup 90 g 1 cup 120 g

1 1/2 cups 180 g

2 cups 240 g 3 cups 360 g

4 cups 480 g

Grams to cups

10 g 1 tbsp (0.08)

25 g 3 tbsp (0.21)

50 g 1/3 cup + 1 tbsp (0.42)

75 g 1/2 cup + 2 tbsp (0.63)

100 g 3/4 cup + 1 tbsp (0.83) 125 g 1 cup + 1 tbsp (1.04) 150 g 1 1/4 cups (1.25) 200 g 1 2/3 cups (1.67) 250 g 2 cups + 1 tbsp (2.08) 300 g 2 1/2 cups (2.5)

400 g 3 1/3 cups (3.33)

500 g 4 cups + 3 tbsp (4.17)

750 g 6 1/4 cups (6.25)

1000 g 8 1/3 cups (8.33)

Spoons to grams

1 tablespoon 7.5 g

1 teaspoon 2.5 g

½ teaspoon 1.3 g

¼ teaspoon 0.6 g

Source

USDA measured 1 cup, unsifted of powdered sugar at 120 g. FoodData Central #169656. US cup = 236.6 ml. How you fill the cup changes the weight, so weigh ingredients for baking when you can.

Other sugar & syrups

Granulated sugar 1 cup = 200 g Brown sugar 1 cup = 220 g Honey 1 cup = 339 g Maple syrup 1 cup = 315 g Light corn syrup 1 cup = 341 g Molasses 1 cup = 337 g Cocoa powder 1 cup = 86 g Chocolate chips 1 cup = 168 g

All ingredients, cups to grams →

About the Unit Converter

The unit converter changes values between metric and imperial units for length, weight, temperature, digital data, area, and volume.

How to use it

1 Choose a category, such as length or temperature.
2 Pick the unit to convert from and the unit to convert to.
3 Type a value to see the converted result straight away.

Frequently asked questions

How many grams is 1 cup of powdered sugar?

1 US cup of powdered sugar weighs 120 g, as measured by the USDA (1 cup, unsifted). A tablespoon weighs 7.5 g.

How do I convert grams of powdered sugar to cups?

Divide the grams by 120. For example, 100 g of powdered sugar is 0.83 cups, about 3/4 cup + 1 tbsp.

Is a US cup the same as a metric cup?

No. A US cup is 236.6 ml and a metric cup (Australia, Canada, New Zealand) is 250 ml, so a metric cup of an ingredient weighs about 5–6% more than the US weights here.

Why weigh instead of using cups?

How you fill a cup changes how much goes in: scooped flour packs down, spooned flour stays loose. Weighing gives the same amount every time, which matters most for baking.

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