Cup & Gram

150 Grams of Oats to Cups

150 grams of rolled oats equals 1 ⅔ cups (1.69 US cups), based on 89 g per cup (level cup). In the kitchen, measure 1 cup + 11 tbsp. For best results, weigh rolled oats with a scale — cup measurements vary with how the cup is filled.

150 g of rolled oats in every unit
US cups1 ⅔ cups (1.69 cups)
Measured as1 cup + 11 tbsp
Ounces (weight)5.3 oz
Density used89 g per US cup

How to measure 150 g of rolled oats without a scale

Rolled oats are light and irregular — a level cup is only about 89 g. Scoop-and-level is fine; the flakes don’t compact much. Quick oats weigh nearly the same, but steel-cut oats are much denser and don’t substitute by volume.

Nearby amounts

Grams of rolled oats to cups — nearby values
GramsCupsDecimal
100 g 1 ⅛ cups 1.12
125 g 1 ⅜ cups 1.4
175 g 2 cups 1.97
200 g 2 ¼ cups 2.25

150 grams of other ingredients

The same weight fills a very different cup depending on density — that's why "grams to cups" always needs the ingredient:

Convert another amount

250 g Rolled oats (old-fashioned) = 2 ¾ cups

Exactly 2.81 cups — or measure 2 cups + 13 tbsp.

More oats conversions: the full grams-to-cups oats chart · 1 1/2 cups of rolled oats in grams

Density 89 g/cup — sources: King Arthur Baking ingredient weight chart, Quaker nutrition label, USDA FoodData Central. Data verified 2026-08-20. Methodology.