1 cup of rolled oats in grams

1 cup of rolled oats weighs about 90 grams.

Grams90 g
Ounces3.17 oz
Tablespoons16 tbsp
Teaspoons48 tsp
Milliliters (volume)237 ml

This is based on 1 cup of rolled oats = 90 g, so 1 cup of rolled oats is 1 × 90 ≈ 90 g.

Searching for “1 cup oats”? The answer is about the same: 90 g.

How to measure 1 cup of rolled oats

By weight (most accurate): set your bowl on a kitchen scale, press tare, and add 90 g of rolled oats.

By volume: Use a 1-cup measure, or 16 tablespoons.

Rolled (old-fashioned) oats are bulky and light. Quick oats pack tighter and weigh a little more per cup.

Why rolled oats weighs what it does

Rolled oats is about 62% lighter than the same volume of water, which weighs about 237 g per cup. That is why you can't convert cups to grams without knowing the ingredient.

1 cup of other ingredients

The same 1 cup holds a very different weight depending on the ingredient:

Ingredient1 cup in grams
Rolled oats90 g
White rice (uncooked)185 g
Chocolate chips170 g
Peanut butter258 g
Chopped walnuts117 g
Raisins150 g
Table salt288 g
All-purpose flour120 g
Granulated sugar200 g

Other amounts of rolled oats

Full rolled oats conversion chart → · Rolled oats by the tablespoon →

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