90g Powdered Sugar in Cups
90 grams of powdered sugar is ¾ cup — 120g per US cup. Buttercream and icing recipes live here. Powdered sugar is much lighter per cup than granulated, so the same weight fills noticeably more volume.
How many cups is 90g of powdered sugar?
90 grams of powdered sugar equals:
Measuring by hand? That is 12 tablespoons. It is about 18% of a 500 g bag of powdered sugar.
Powdered sugar clumps and compacts in the bag. Sift or whisk it first, then spoon it into the cup — do not tap the cup down.
Grams to Cups Converter
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Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (120g per US cup) is unchanged.
90 grams of Powdered Sugar is about ¾ cup, using a 236.588 millilitre cup at 120 grams per cup.
90g of powdered sugar vs other ingredients
Grams measure weight and cups measure volume, so the same 90 grams fills a different amount of cup for every ingredient:
| Ingredient | 90g in cups | g per cup |
|---|---|---|
| Powdered Sugar | ¾ cup | 120 |
| All-Purpose Flour | ¾ cup | 125 |
| Granulated Sugar | ½ cup | 200 |
| Butter | ⅜ cup | 227 |
See all 90g conversions on the 90 grams to cups chart.
Nearby powdered sugar amounts
| Grams of powdered sugar | Cups | Tablespoons |
|---|---|---|
| 70g | ⅝ cup | 9.33 tbsp |
| 75g | ⅝ cup | 10 tbsp |
| 80g | ⅔ cup | 11 tbsp |
| 85g | ¾ cup | 11 tbsp |
| 100g | ⅞ cup | 13 tbsp |
| 110g | ⅞ cup | 15 tbsp |
| 113g | 1 cup | 15 tbsp |
| 115g | 1 cup | 15 tbsp |
Full ladder on the powdered sugar grams to cups chart.
Frequently Asked Questions
90 grams of powdered sugar is ¾ cup. In kitchen measures that is 12 tablespoons, worked out from 120 grams per US cup.
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