Gram to Cup

30 grams of vegetable oil to cups

30 g of vegetable oil is about 0.14 cups, which is roughly 1/8 cup or 2.2 tablespoons. That comes from 218 g per US cup. Neutral vegetable oil at room temperature.

Measure30 g of vegetable oil
Cups0.14
Kitchen measure1/8 cup
Tablespoons2.2
Grams per cup used218 g

Vegetable oil weighs about 218 g a cup, roughly 8 percent lighter than the same cup of water. That is why oil floats, and why using the water figure of 236 g for oil quietly adds an extra tablespoon and a half to every cup.

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 30 g of vegetable oil?
0.14 cups, or about 1/8 cup. That is worked out at 218 g per US cup.
How many tablespoons is 30 g of vegetable oil?
About 2.2 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 30 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 30 g of vegetable oil is 0.14 cups at 218 g per cup, while the same 30 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of vegetable oil

15 g20 g24 g25 g28 g32 g33 g35 g39 g40 g

See all vegetable oil conversions or 30 g of every other ingredient.