How many milliliter is 1 metric cup of rolled oats?

1 metric cup of rolled oats weighs approximately 250 milliliter. 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 Milliliter

Ingredient

Amount

From

Result

250ml

high confidence USDA source

Rolled Oats — Quick Reference

Common metric cup to milliliter conversions

Rolled Oats: Metric Cup to Milliliter conversion table
Metric Cup	Milliliter
¼ cup	63ml
⅓ cup	83ml
½ cup	125ml
⅔ cup	167ml
¾ cup	188ml
1 cup	250ml
1½ cups	375ml
2 cups	500ml

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 milliliter is a direct volume conversion. One metric cup equals 250ml, and one milliliter equals 1ml. So 1 metric cup (250ml) equals 250 milliliter.

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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