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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Yeast (instant): grams per cup
King Arthur Baking lists 1 tablespoon of yeast (instant) at 9 g, which works out to 144 g per US cup, 9 g per tablespoon and 3 g per teaspoon. So 100 g of yeast (instant) is about 2/3 cup (0.69 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
1/8 cup
0.174
2.8
50 g
1/3 cup
0.347
5.6
100 g
2/3 cup
0.694
11.1
125 g
7/8 cup
0.868
13.9
150 g
1 cup
1.042
16.7
200 g
1 3/8 cup
1.389
22.2
250 g
1 3/4 cup
1.736
27.8
300 g
2 1/8 cup
2.083
33.3
400 g
2 3/4 cup
2.778
44.4
500 g
3 1/2 cup
3.472
55.6
1000 g
7 cup
6.944
111.1
Cups to grams
Volume
Grams
Ounces
1/4 cup
36 g
1.27 oz
1/3 cup
48 g
1.69 oz
1/2 cup
72 g
2.54 oz
2/3 cup
96 g
3.39 oz
3/4 cup
108 g
3.81 oz
1 cup
144 g
5.08 oz
1 tablespoon
9 g
0.32 oz
1 teaspoon
3 g
0.11 oz
Source: King Arthur Baking, Ingredient Weight Chart. Kitchen measures are rounded to the nearest common cup fraction.
