400 grams of pecan halves to cups
400 grams of pecan halves is 4.04 cups — near enough 4 cups + 2 tsp.
The answer
4.04 cups
≈ 4 cups + 2 tsp
Worked out from 99 grams per US cup: 400 ÷ 99 = 4.04. Approximate — density shifts with packing and brand.
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≈
Based on g per cup. Approximate — density varies with packing and brand.