Grams Per Cup

Rolled Oats: Cups to Grams

One US cup of rolled oats weighs about 90 grams (3.2 oz). Use the converter or the chart below for any amount.

Quick answer

Unit
Ingredient
Rolled Oats
—

Approximate values. Density varies with how the ingredient is packed, sifted, or measured.

Rolled Oats cups to grams chart

Amount Grams Ounces
1/8 cup rolled oats 11.3 g 0.4 oz
1/4 cup rolled oats 22.5 g 0.8 oz
1/3 cup rolled oats 30 g 1.1 oz
1/2 cup rolled oats 45 g 1.6 oz
2/3 cup rolled oats 60 g 2.1 oz
3/4 cup rolled oats 67.5 g 2.4 oz
1 cup rolled oats 90 g 3.2 oz
1 1/2 cups rolled oats 135 g 4.8 oz
2 cups rolled oats 180 g 6.3 oz
3 cups rolled oats 270 g 9.5 oz
1 tablespoon rolled oats 5.6 g 0.2 oz
1 teaspoon rolled oats 1.9 g 0.1 oz

Rolled Oats grams to cups

Working the other way? Since 1 cup of rolled oats is about 90 g, here is how common gram weights convert back to cups.

Grams Cups (approx)
50 g rolled oats 0.56 cups
100 g rolled oats 1.11 cups
125 g rolled oats 1.39 cups
150 g rolled oats 1.67 cups
200 g rolled oats 2.22 cups
250 g rolled oats 2.78 cups
500 g rolled oats 5.56 cups

Measuring rolled oats accurately

Old-fashioned oats; very light. Because a cup measures volume rather than weight, the most reliable way to get the same result every time is to weigh rolled oats on a kitchen scale and aim for the gram figure above. The conversions on this page are based on the US cup of about 236.6 ml.

FAQ

How many grams is 1 cup of rolled oats?
One US cup of rolled oats weighs about 90 grams (3.2 oz). Old-fashioned oats; very light.
How many grams is half a cup of rolled oats?
Half a US cup of rolled oats is about 45 grams.
How many grams is 1 tablespoon of rolled oats?
One tablespoon of rolled oats is about 5.6 grams, since a tablespoon is one sixteenth of a cup.

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