Powdered Sugar (Sifted) Grams to Cups Calculator
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Cup Standard
Measuring Method
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Enter grams of powdered sugar (sifted)
For the most accurate results, weigh powdered sugar (sifted) on a digital kitchen scale. Cup measurements vary by technique and packing.
Result
1.00
1 cup
cups
16.0
Tablespoons
48.0
Teaspoons
237
Millilitres
0.00
Oz (weight)
108g ÷ 108g/cup = 1.00 cups
Powdered Sugar (Sifted) Conversion Table — Grams to Cups
Reference table of common gram amounts. Updates automatically when you change the cup standard or method above.
Values based on 108g/US Cup · Spoon & Level method · Change settings above to update this table
| Grams | Fraction | Decimal Cups | Tablespoons | Weight (oz) |
|---|---|---|---|---|
| 10g | ⅛ cup | 0.09 cups | 1.5 tbsp | 0.35 oz |
| 25g | ¼ cup | 0.23 cups | 3.7 tbsp | 0.88 oz |
| 50g | ½ cup | 0.46 cups | 7.4 tbsp | 1.76 oz |
| 75g | ⅔ cup | 0.69 cups | 11.1 tbsp | 2.65 oz |
| 100g | 0.93 cups | 0.93 cups | 14.8 tbsp | 3.53 oz |
| 108g= 1 cup | 10 cups | 1.00 cups | 16.0 tbsp | 3.81 oz |
| 129g | 1 cup | 1.19 cups | 19.1 tbsp | 4.55 oz |
| 162g | 1½ cups | 1.50 cups | 24.0 tbsp | 5.71 oz |
| 216g | 20 cups | 2.00 cups | 32.0 tbsp | 7.62 oz |
| 270g | 2½ cups | 2.50 cups | 40.0 tbsp | 9.52 oz |
| 324g | 30 cups | 3.00 cups | 48.0 tbsp | 11.43 oz |
| 432g | 40 cups | 4.00 cups | 64.0 tbsp | 15.24 oz |
| 648g | 60 cups | 6.00 cups | 96.0 tbsp | 22.86 oz |
| 864g | 80 cups | 8.00 cups | 128.0 tbsp | 30.48 oz |
Based on US cup (236.6ml), spoon-and-level method. → Reverse: cups to grams
Most-Searched Powdered Sugar (Sifted) Amounts
Common gram amounts from recipe searches, using the US cup spoon-and-level standard.
27 grams of powdered sugar (sifted) to cups
0.25 cups
= ¼ cup
Dusting or small icing batch.
54 grams of powdered sugar (sifted) to cups
0.50 cups
= ½ cup
Small frosting batch.
81 grams of powdered sugar (sifted) to cups
0.75 cups
= ¾ cup
Medium frosting recipe.
108 grams of powdered sugar (sifted) to cups
1.00 cups
= 1 cup
Full cup reference.
216 grams of powdered sugar (sifted) to cups
2.00 cups
= 2 cups
Standard buttercream frosting.
432 grams of powdered sugar (sifted) to cups
4.00 cups
= 4 cups
Large cake frosting batch.
Powdered Sugar (Sifted) in Common Recipes
Real recipe amounts with gram and cup values for quick reference.
Basic Buttercream Frosting (1 cake)
480g — 4½ cups sifted
Royal Icing
432g — 4 cups sifted
Glaze Icing (1 loaf)
108g — 1 cup sifted
Dusting Sugar
27g — ¼ cup sifted
Cream Cheese Frosting
216g — 2 cups sifted
Lemon Bars Topping
27g — ¼ cup sifted
Chocolate Ganache Dusting
27g — ¼ cup sifted
Sugar Cookie Glaze
216g — 2 cups sifted
Powdered Sugar (Sifted) — Frequently Asked Questions
108 grams of sifted powdered sugar is exactly 1 US cup (sifted first then measured).
Unsifted powdered sugar: 120g per cup. Sifted then measured: 108g per cup. The difference is about 12g per cup (10%). For icings and frostings, this can affect texture noticeably.
For frosting and icing, sifting removes lumps and creates a smoother result. Skipping sifting in a royal icing recipe, for example, can leave lumpy spots when piping. For dusting on top of baked goods, sifting is optional.
Yes. Blend granulated white sugar in a high-speed blender or food processor for 1-2 minutes until it reaches a fine powder consistency. Add 1 teaspoon of cornstarch per cup to prevent clumping.
Yes — all three names refer to the same product: finely ground white sugar with a small amount of anti-caking agent (usually cornstarch). The standard gram value is 120g per cup unsifted, 108g sifted.
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