Gram to Cup

100 grams of walnuts, chopped to cups

100 g of walnuts, chopped is about 0.85 cups, which is roughly 7/8 cup or 13.68 tablespoons. That comes from 117 g per US cup. Chopped pieces. Halves are lighter, ground meal heavier.

Measure100 g of walnuts, chopped
Cups0.85
Kitchen measure7/8 cup
Tablespoons13.68
Grams per cup used117 g

Chopped walnuts weigh about 117 g a cup. Like almonds, the number is all about the gaps: walnut halves bridge over big air pockets at about 100 g a cup, while finely chopped pieces settle to nearly 130 g.

Result
0.83 cups
About 7/8 cup of all-purpose flour. 100 g is 3.53 oz by weight.
Assumes spoon-and-level. Scooped flour runs closer to 140 g a cup.

Questions

How many cups is 100 g of walnuts, chopped?
0.85 cups, or about 7/8 cup. That is worked out at 117 g per US cup, and a cup of walnuts, chopped can run 100 g halves to 130 g finely chopped.
How many tablespoons is 100 g of walnuts, chopped?
About 13.68 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 100 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 100 g of walnuts, chopped is 0.85 cups at 117 g per cup, while the same 100 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of walnuts, chopped

75 g80 g85 g90 g110 g112 g113 g115 g120 g125 g

See all walnuts, chopped conversions or 100 g of every other ingredient.