Kitchen conversion
1 lb powdered sugar to cups
3.78 cups
1 pounds of powdered sugar = 3.78 US cups of powdered sugar. Exact factor: cups = lb × 453.59237 ÷ 120.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
cups = lb × 453.59237 ÷ 120
Worked example: 1 × 3.7799364167 = 3.78 cups.
Values near 1 lb powdered sugar
| lb powdered sugar | cups |
|---|---|
| 0.25 | 0.94 |
| 0.5 | 1.89 |
| 0.75 | 2.83 |
| 1this page | 3.78 |
| 1.5 | 5.67 |
| 2 | 7.56 |
| 2.5 | 9.45 |
Frequently asked
How do you convert pounds of powdered sugar to US cups of powdered sugar?
Apply the formula cups = lb × 453.59237 ÷ 120. Enter any value in the live converter above and the result updates as you type.
What is 1 lb powdered sugar in cups?
1 lb powdered sugar equals 3.78 cups. The reference table below shows the values immediately around 1 lb powdered sugar.
Is this conversion exact?
Kitchen yields are practical averages, not definitions — Measured sifted, one US cup of powdered sugar weighs 120 g. Unsifted powdered sugar settles and can reach 140 g per cup.