500 grams of powdered sugar to cups
500 grams of powdered sugar is 4.17 cups — near enough 4 cups + 2 tbsp + 2 tsp.
The answer
4.17 cups
≈ 4 cups + 2 tbsp + 2 tsp
Worked out from 120 grams per US cup: 500 ÷ 120 = 4.17. Approximate — density shifts with packing and brand.
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≈
Based on g per cup. Approximate — density varies with packing and brand.
How you measure it changes this
The figure above assumes spooned & levelled. Powdered Sugar has 2 measured techniques on record, and they differ enough to matter — see the full powdered sugar page for the comparison.