Checked Oct 23, 2026. King Arthur lists 1 cup of all-purpose flour as 120 g. 100 g ÷ 120 g = 0.833 cup, which this converter shows as 0.833 cups and rounds to the nearest kitchen measure, 7/8 cup.
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Marshmallow Fluff®: grams per cup
King Arthur Baking lists 1 cup of marshmallow fluff® at 128 g, which works out to 128 g per US cup, 8 g per tablespoon and 2.67 g per teaspoon. So 100 g of marshmallow fluff® is about 3/4 cup (0.78 cups).
Cup measures are approximate for dry ingredients; for consistent results, weigh them.
Grams to cups chart
Grams
Kitchen measure
Cups (decimal)
Tablespoons
25 g
1/4 cup
0.195
3.1
50 g
3/8 cup
0.391
6.2
100 g
3/4 cup
0.781
12.5
125 g
1 cup
0.977
15.6
150 g
1 1/8 cup
1.172
18.8
200 g
1 1/2 cup
1.562
25
250 g
2 cup
1.953
31.2
300 g
2 1/3 cup
2.344
37.5
400 g
3 1/8 cup
3.125
50
500 g
3 7/8 cup
3.906
62.5
1000 g
7 3/4 cup
7.812
125
Cups to grams
Volume
Grams
Ounces
1/4 cup
32 g
1.13 oz
1/3 cup
43 g
1.51 oz
1/2 cup
64 g
2.26 oz
2/3 cup
85 g
3.01 oz
3/4 cup
96 g
3.39 oz
1 cup
128 g
4.52 oz
1 tablespoon
8 g
0.28 oz
1 teaspoon
3 g
0.09 oz
Source: King Arthur Baking, Ingredient Weight Chart. Kitchen measures are rounded to the nearest common cup fraction.
