100 Grams of Rolled oats to Cups

100 grams of rolled oats is approximately 1.12 US cups. See the kitchen estimate, calculation basis, and nearby amounts below.

100 grams of rolled oats =

1.12US cups

Kitchen estimate

1 ⅛ cups

Based on 1 US cup of rolled oats = 89g

Choose your next task

Convert another rolled oats amountEnter any gram amount and use the full common conversion table.Compare 100 grams across ingredientsSee how the same weight changes across ingredient densities.Learn how to measure rolled oatsReview its states, measuring method, varieties, and use context.

Calculation basis

100g ÷ 89g/cup = 1.1236 cups

The page result is displayed as 1.12 cups under the site's rounding policy; the calculation is not rounded early.

Measurement basis

Ingredient and cup standard: Rolled oats · US cup / 240 ml · 89g
State and preparation: as-packaged, not compacted · lightly filled

Rolled oats are bulky and full of air pockets, so scoop lightly rather than pressing them down.

Adopted source: King Arthur Baking — Ingredient Weight Chart · verified July 18, 2026

Nearby rolled oats amounts

These are the closest useful values from the currently published exact pages.

50g → 0.56 cups½ cup + 1 tablespoon 125g → 1.40 cups1 ⅓ cups + 1 tablespoon 200g → 2.25 cups2 ¼ cups 250g → 2.81 cups2 ¾ cups + 1 tablespoon

Results by cup size

Cup size	100g in cups
US cup / 240 ml	1.12 cups
US customary cup / 236.6 ml	1.14 cups
Metric cup / 250 ml	1.08 cups