100 grams of peanut butter to cups
100 grams of peanut butter is 0.39 cups — near enough 1/3 cup + 1 tbsp.
The answer
0.39 cups
≈ 1/3 cup + 1 tbsp
Worked out from 258 grams per US cup: 100 ÷ 258 = 0.39. Approximate — density shifts with packing and brand.
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≈
Based on g per cup. Approximate — density varies with packing and brand.