100g rolled oats in cups
100g of rolled oats = 1.111 cups · 17.778 tbsp · 3.53 oz
One US cup of rolled oats weighs 90 g, so 100 grams works out at 1.111 cups. Use the converter for any other weight.
Based on a measured density of 90 g per US cup (236.6 ml), spooned in loosely and levelled. Last reviewed .
How 100g of rolled oats works out
One US cup of rolled oats weighs 90 grams, so divide the weight by 90: 100 ÷ 90 = 1.111 cups. That is 17.778 level tablespoons if you would rather measure by spoon, or 3.53 oz on a scale set to imperial.
In a 250 ml metric cup, 100g of rolled oats is 1.052 cups rather than 1.111, because the metric cup holds a little more than the US one.
Tip: Rolled and quick oats can usually be swapped, but rolled oats keep more chew in cookies and granola, while quick oats give a softer, smoother porridge.
Other rolled oats amounts
100g of rolled oats: common questions
How many cups is 100 grams of rolled oats?
100 grams of rolled oats is about 1.111 US cups, since one cup weighs 90 grams.
How do I measure 100 grams of rolled oats without scales?
Use tablespoons: 100 grams is about 17.778 level tablespoons of rolled oats, or 1.111 cups.
How many ounces is 100 grams of rolled oats?
3.53 oz. Weight units do not depend on the ingredient, so 100 grams of anything is 3.53 oz — it is the cup figure that changes.
For every other amount, see the full rolled oats cups to grams tables.