Rolled oats: Cups to Grams

1 cup of rolled oats ≈ 90 grams (3.2 oz)

Based on the US cup (236.6 ml). Type in either box to convert:

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Rolled oats cups to grams chart

AmountGramsOunces
1/8 cup11 g0.4 oz
1/4 cup23 g0.8 oz
1/3 cup30 g1.1 oz
1/2 cup45 g1.6 oz
2/3 cup60 g2.1 oz
3/4 cup68 g2.4 oz
1 cup90 g3.2 oz
1 1/2 cups135 g4.8 oz
2 cups180 g6.3 oz
3 cups270 g9.5 oz
4 cups360 g13 oz
1 tablespoon5.6 g0.2 oz
1 teaspoon1.9 g0.1 oz

Grams to cups

WeightCups (nearest 1/8)
50 g1/2 cup (0.56 cups)
100 g1 1/8 cups (1.11 cups)
150 g1 5/8 cups (1.67 cups)
200 g2 1/4 cups (2.22 cups)
250 g2 3/4 cups (2.78 cups)
300 g3 3/8 cups (3.33 cups)
400 g4 1/2 cups (4.44 cups)
500 g5 1/2 cups (5.56 cups)
1,000 g11 1/8 cups (11.11 cups)

Measuring tip

Old-fashioned rolled oats weigh roughly 80-100 g per cup depending on flake size; quick oats are a touch heavier. These are typical values; if a recipe lists grams, use a kitchen scale instead of converting.

FAQ

How many grams are in 1 cup of rolled oats?

About 90 grams (3.2 oz) for one level US cup. Exact weights vary a little with brand, humidity and how the cup is filled.

How many grams are in 1/2 cup of rolled oats?

About 45 grams. A quarter cup is about 23 g and three quarters of a cup is about 68 g.

How many cups is 100 grams of rolled oats?

100 grams of rolled oats is about 1.11 US cups.

Why does a cup of rolled oats not always weigh the same?

Old-fashioned rolled oats weigh roughly 80-100 g per cup depending on flake size; quick oats are a touch heavier. For consistent results, weigh ingredients on a kitchen scale whenever the recipe gives grams.

See also: uncooked white rice · chocolate chips · table salt · cake flour · All ingredients · Cups to ml · Cups to tablespoons