400 grams of caster sugar to cups
400 grams of caster sugar is 1.78 cups — near enough 1 3/4 cups + 1 tsp.
The answer
1.78 cups
≈ 1 3/4 cups + 1 tsp
Worked out from 225 grams per US cup: 400 ÷ 225 = 1.78. Approximate — density shifts with packing and brand.
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≈
Based on g per cup. Approximate — density varies with packing and brand.