ExactCup

Rolled Oats: Cups to Grams

1 cup of rolled oats weighs about 90 grams. Convert any amount instantly below.

Rolled Oats conversion chart

CupsGramsOuncesTablespoons
1/8 cup11.3 g0.4 oz2 tbsp
1/4 cup22.5 g0.8 oz4 tbsp
1/3 cup30 g1.1 oz5.3 tbsp
1/2 cup45 g1.6 oz8 tbsp
2/3 cup60 g2.1 oz10.7 tbsp
3/4 cup67.5 g2.4 oz12 tbsp
1 cup90 g3.2 oz16 tbsp
1 1/2 cup135 g4.8 oz24 tbsp
2 cup180 g6.3 oz32 tbsp

Based on 90 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.

Measuring rolled oats accurately

Scoop rolled oats and level lightly without compressing the flakes, which crush and pack down under pressure. They're airy and bridge across the cup, so for granola and cookies where oat ratio sets the texture, weighing 90g per cup is more dependable.

Frequently asked questions

How many grams is 1 cup of rolled oats?

1 US cup of rolled oats weighs about 90 grams.

How many grams is 1 tablespoon of rolled oats?

1 tablespoon of rolled oats is about 5.6 grams (a cup is 16 tablespoons).

How many cups is 100 grams of rolled oats?

100 grams of rolled oats is about 1.1 cups.

Other grains & misc

See the full grains & misc conversion chart →

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