Rolled oats

300 grams of rolled oats in cups

300 g3.37 cups

300 g of rolled oats ≈ 3.37 US cups (about 3⅓ cup, or 53.9 tablespoons).

Rolled oats — volume to weight
VolumeGramsOuncesml
¼ cup22.2 g0.78 oz59.1
⅓ cup29.7 g1.05 oz78.9
½ cup44.5 g1.57 oz118
⅔ cup59.3 g2.09 oz158
¾ cup66.8 g2.35 oz177
1 cup89 g3.14 oz237
1½ cups134 g4.71 oz355
2 cups178 g6.28 oz473
3 cups267 g9.42 oz710
1 tablespoon5.56 g0.2 oz14.8
1 teaspoon1.85 g0.07 oz4.93

Density used: 1 US cup = 89 g. Source: King Arthur Baking Ingredient Weight Chart. Volume measures vary with scooping method; for baking, weigh when you can.

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Frequently asked questions

How many cups is 300 grams of rolled oats?

About 3.37 US cups.

How many grams in 1 cup of rolled oats?

About 89 grams.