Rolled Oats Cups to Grams
Snapshot
1 cup of rolled oats equals 89 grams. Conversion Encyclopedia keeps one fixed ingredient basis on this page so the calculator, common values, and reverse page stay aligned.
- Reference basis: 89 g per 1 US cup.
- Example: 2 cups = 178 g.
- Use the reverse page if you need the opposite direction with the same basis.
Use the interactive calculator below for custom values and the common-value table for quick checks.
Converter Calculator
Explanation
Use this page when a recipe gives rolled oats in cups and you need a repeatable gram target. The converter keeps the assumption explicit: 1 level US cup of rolled oats = 89 grams.
That makes recipe scaling easier without switching between inconsistent cup charts. The page stays anchored to the US cup standard (236.588 mL). Rolled Oats can vary with grain shape and how the grains settle in the cup, so the page keeps one explicit basis for repeatable prep.
Common Conversion Values
| Cup | Grams |
|---|---|
| 1/4 | 22 |
| 1/3 | 30 |
| 1/2 | 45 |
| 1 | 89 |
| 1 1/2 | 134 |
| 2 | 178 |
| 3 | 267 |
Frequently Asked Questions
How many grams are in 1 cup of Rolled Oats?
1 level US cup of Rolled Oats weighs 89 grams in this converter.
Does this use a US cup?
Yes. The factor is tied to the US cup definition (236.588 mL), not a metric cup.
Does grain shape or settling change the result for Rolled Oats?
Rolled Oats keeps one reference basis here, but grain shape and how the grains settle in the cup can shift practical density. That is why volume estimates for this ingredient should stay ingredient-specific.
How many grams are in 2 cups of Rolled Oats?
2 cups of Rolled Oats are 178 g using 89 g per cup.
How do I convert Rolled Oats grams back to cups?
Use the mirror Grams To Cups page; divide grams by 89 to return cups.