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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Steel cut oats: grams per cup
King Arthur Baking lists 1/2 cup of steel cut oats at 70 g, which works out to 140 g per US cup, 8.8 g per tablespoon and 2.92 g per teaspoon. So 100 g of steel cut oats is about 3/4 cup (0.71 cups).
Oats are light and fluffy; old-fashioned and quick oats weigh differently.
Grams to cups chart
Grams
Kitchen measure
Cups (decimal)
Tablespoons
25 g
1/8 cup
0.179
2.9
50 g
3/8 cup
0.357
5.7
100 g
3/4 cup
0.714
11.4
125 g
7/8 cup
0.893
14.3
150 g
1 1/8 cup
1.071
17.1
200 g
1 3/8 cup
1.429
22.9
250 g
1 3/4 cup
1.786
28.6
300 g
2 1/8 cup
2.143
34.3
400 g
2 7/8 cup
2.857
45.7
500 g
3 5/8 cup
3.571
57.1
1000 g
7 1/8 cup
7.143
114.3
Cups to grams
Volume
Grams
Ounces
1/4 cup
35 g
1.23 oz
1/3 cup
47 g
1.65 oz
1/2 cup
70 g
2.47 oz
2/3 cup
93 g
3.29 oz
3/4 cup
105 g
3.7 oz
1 cup
140 g
4.94 oz
1 tablespoon
9 g
0.31 oz
1 teaspoon
3 g
0.1 oz
Source: King Arthur Baking, Ingredient Weight Chart. Kitchen measures are rounded to the nearest common cup fraction.
