40g Powdered Sugar in Cups
40 grams of powdered sugar is ⅓ cup — 120g per US cup. This is dusting and small-glaze territory. A tablespoon or two of powdered sugar is easier to sift straight onto the bake than to measure by cup.
How many cups is 40g of powdered sugar?
40 grams of powdered sugar equals:
Measuring by hand? That is 5 tablespoons + 1 teaspoon. It is about 8% 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
Quick select
40 grams of Powdered Sugar is about ⅓ cup, using a 236.588 millilitre cup at 120 grams per cup.
Reading
- cups
- 0.33
- tbsp
- 5.3
- tsp
- 16.0
See the full 40g to cups guide →
See 40g powdered sugar to cups →
US customary cup (236.588ml) · 120g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (120g per US cup) is unchanged.
40g of powdered sugar vs other ingredients
Grams measure weight and cups measure volume, so the same 40 grams fills a different amount of cup for every ingredient:
| Ingredient | 40g in cups | g per cup |
|---|---|---|
| Powdered Sugar | ⅓ cup | 120 |
| All-Purpose Flour | ⅓ cup | 125 |
| Granulated Sugar | ¼ cup | 200 |
| Butter | ⅛ cup | 227 |
See all 40g conversions on the 40 grams to cups chart.
Nearby powdered sugar amounts
| Grams of powdered sugar | Cups | Tablespoons |
|---|---|---|
| 25g | ¼ cup | 3.33 tbsp |
| 28g | ¼ cup | 3.73 tbsp |
| 30g | ¼ cup | 4 tbsp |
| 35g | ⅓ cup | 4.67 tbsp |
| 45g | ⅜ cup | 6 tbsp |
| 50g | ⅜ cup | 6.67 tbsp |
| 56g | ½ cup | 7.47 tbsp |
| 60g | ½ cup | 8 tbsp |
Full ladder on the powdered sugar grams to cups chart.
Frequently Asked Questions
How many cups is 40g of powdered sugar?
40 grams of powdered sugar is ⅓ cup. In kitchen measures that is 5 tablespoons + 1 teaspoon, worked out from 120 grams per US cup.
How many grams are in 1 cup of powdered sugar?
One US cup of powdered sugar weighs about 120 grams, one tablespoon about 7.5 grams, and one teaspoon about 2.5 grams. This page divides 40 grams by that cup weight.
Is 40g of powdered sugar the same as 40g of all-purpose flour?
No. 40g of powdered sugar is ⅓ cup, while 40g of all-purpose flour is ⅓ cup. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 40g of powdered sugar without a scale?
Use 5 tablespoons + 1 teaspoon. 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.
Is it better to weigh powdered sugar or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the powdered sugar is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.