How many us cup is 1 metric cup of rolled oats?

1 metric cup of rolled oats weighs approximately 1 us cup. This is based on a density of 0.34 g/ml for rolled oats.

How do I measure rolled oats accurately?

For the most accurate measurement of rolled oats, use a kitchen scale. Volume measurements can vary based on how the ingredient is packed.

Why does rolled oats have a specific cup-to-gram conversion?

Rolled Oats has a density of 0.34 g/ml, meaning each milliliter weighs 0.34 grams. Different ingredients have different densities—for example, flour is lighter than sugar—which is why each needs its own conversion factor.

Rolled Oats

Metric Cup to US Cup

Ingredient

Amount

From

Result

1.1cup

high confidence USDA source

Rolled Oats — Quick Reference

Common metric cup to us cup conversions

Rolled Oats: Metric Cup to US Cup conversion table
Metric Cup	US Cup
¼ cup	0cup
⅓ cup	0cup
½ cup	1cup
⅔ cup	1cup
¾ cup	1cup
1 cup	1cup
1½ cups	2cup
2 cups	2cup

Based on rolled oats density of 0.34 g/ml (spooned method). Source: USDA FoodData Central.

Understanding Rolled Oats Conversions

The Math Behind This Conversion

Converting 1 metric cup to us cup is a direct volume conversion. One metric cup equals 250ml, and one us cup equals 236.59ml. So 1 metric cup (250ml) equals 1.1 us cup.

Measurement Tip

For consistent results with rolled oats, use a scale whenever possible. Volume measurements of grains can vary significantly based on how tightly packed they are. The density of 0.34 g/ml we use is based on a standard pour into a measuring cup.

About Our Data

The density value of 0.34 g/ml for rolled oats is from the USDA FoodData Central database (ID: 173904). This measurement was taken with rolled oats spooned into the measuring cup and leveled. Different measurement methods affect the density: packed (0.42 g/ml).

View source data on USDA FoodData Central (ID: 173904)

Frequently Asked Questions

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