Gram to Cup

150 grams of rolled oats to cups

150 g of rolled oats is about 1.67 cups, which is roughly 1 cup + 2/3 or 26.67 tablespoons. That comes from 90 g per US cup. Old-fashioned rolled oats, loosely filled.

Measure150 g of rolled oats
Cups1.67
Kitchen measure1 cup + 2/3
Tablespoons26.67
Grams per cup used90 g

Rolled oats are mostly air. The flakes stack loosely, so a full cup weighs only about 90 g, one of the lightest entries on this site. Do not pack them down; recipes assume a loose fill.

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 150 g of rolled oats?
1.67 cups, or about 1 cup + 2/3. That is worked out at 90 g per US cup.
How many tablespoons is 150 g of rolled oats?
About 26.67 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 150 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 150 g of rolled oats is 1.67 cups at 90 g per cup, while the same 150 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of rolled oats

115 g120 g125 g140 g160 g165 g170 g175 g180 g185 g

See all rolled oats conversions or 150 g of every other ingredient.