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Ingredient guide / oats

Rolled oats
grams to cups.

Convert rolled oats from grams to cups for cookies, granola, porridge, and everyday baking.

Density reference89g

per 1 cup · old-fashioned

Convert an amount
Scale or convert a recipe See the full printable chart Compare density across ingredients Rolled oats cups to grams Why a cup is not one number Read the full measuring guide

Common rolled oats conversions

30 grams0.34 cupsless than a cup
50 grams0.56 cupsless than a cup
80 grams0.90 cupsless than a cup
100 grams1.12 cupscup measure
120 grams1.35 cupscup measure
150 grams1.69 cupscup measure
200 grams2.25 cupscup measure
250 grams2.81 cupscup measure
500 grams5.62 cupscup measure
Measurement source

King Arthur lists Oats (old-fashioned or quick-cooking) at 1 cup = 89g.

Read King Arthur Baking Ingredient Weight Chart

Ingredient questions

Rolled oats FAQ.

How many grams are in a cup of rolled oats?

This page uses 89g per US cup as the PantryGauge reference. The named ingredient and measurement basis matter, so do not reuse the figure for a different product state.

How should rolled oats be measured?

Keep the oats loose in a dry cup and level the surface. When a recipe gives grams, weighing remains the more repeatable option.

Can I use this rolled oats conversion for another type?

Use caution. King Arthur lists separate values for rolled, prepared, and steel-cut oats. Check the recipe's exact ingredient and, when available, its product-specific weight reference.