Quick answer: King Arthur Baking lists 1/4 cup of olive oil at 50 g, which works out to 200 g per US cup, 12.5 g per tablespoon and 4.17 g per teaspoon. So 100 g of olive oil is about 1/2 cup (0.5 cups).
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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Olive oil: grams per cup
King Arthur Baking lists 1/4 cup of olive oil at 50 g, which works out to 200 g per US cup, 12.5 g per tablespoon and 4.17 g per teaspoon. So 100 g of olive oil is about 1/2 cup (0.5 cups).
Liquids like oil are measured in a liquid measuring cup at eye level.
Grams to cups chart
Grams
Kitchen measure
Cups (decimal)
Tablespoons
25 g
1/8 cup
0.125
2
50 g
1/4 cup
0.25
4
100 g
1/2 cup
0.5
8
125 g
5/8 cup
0.625
10
150 g
3/4 cup
0.75
12
200 g
1 cup
1
16
250 g
1 1/4 cup
1.25
20
300 g
1 1/2 cup
1.5
24
400 g
2 cup
2
32
500 g
2 1/2 cup
2.5
40
1000 g
5 cup
5
80
Cups to grams
Volume
Grams
Ounces
1/4 cup
50 g
1.76 oz
1/3 cup
67 g
2.35 oz
1/2 cup
100 g
3.53 oz
2/3 cup
133 g
4.7 oz
3/4 cup
150 g
5.29 oz
1 cup
200 g
7.05 oz
1 tablespoon
12 g
0.44 oz
1 teaspoon
4 g
0.15 oz
Source: King Arthur Baking, Ingredient Weight Chart. Kitchen measures are rounded to the nearest common cup fraction.
