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1/3 cup powdered sugar in grams
1/3 cup powdered sugar = 40 g
1/3 cup of powdered sugar weighs 40 grams (1.4 oz).
How to work it out
1/3 × 120 g = 40 g
Formula: grams = cups × 120
Other ways to write it
- In ounces
- 1.4 oz
- In tablespoons
- 5.3 tbsp
- Rounded
- 40 g
Sifted, a cup of powdered (icing) sugar weighs about 100 g.
Weights are for US cups (236.6 ml) from USDA FoodData Central, SR Legacy (2018). How you fill the cup changes the weight, so for baking a kitchen scale is the most accurate.
Powdered sugar: cups to grams
Full Powdered sugar cups to grams chart → Cups to grams for 49 ingredients →
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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 1/3 cup of powdered sugar?
1/3 cup of powdered sugar weighs 40 grams (1.4 oz). USDA measured 1 cup at 120 g (1 cup, unsifted).
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.