Grams to Cups
Rolled Oats (Old Fashioned) Volume

3 Cups of Rolled Oats to Grams

3 Cups of Rolled Oats (Old Fashioned) weighs approximately 270 grams in US cups. Complete volume to weight conversion chart, tablespoon equivalents, and baking tips.

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3 cups (3)

3 grams of Rolled Oats (Old Fashioned) equals approximately 3 cups (US Legal Cup (Nutrition)).

48.0 Tablespoons
144.0 Teaspoons
720.0 mL Volume (mL)
9.52 oz Ounces (Weight)
Direct Answer:

3 Cups of Rolled Oats (Old Fashioned) = 270 grams (9.52 oz)

Tablespoons: 48.0 tbsp Teaspoons: 144.0 tsp Volume: 720.0 mL Condition: Dry flakes, uncompressed 1 Cup Standard: 90g

Volume-to-Weight Calculation Formula

Weight (grams) = Cup Volume × Grams per Cup (Density) Weight = 3 × 90g = 270 grams

Calibrated for Dry flakes, uncompressed at room temperature (bulk density: 0.375 g/mL). Source: Quaker Oats Commercial Standard & USDA.

3 Cups of Rolled Oats Across International Cup Standards

Gram weight comparison across US Legal, US Customary, Metric, and UK Imperial cup definitions.

Item / Measurement Weight Cups (US Standard) Tablespoons Teaspoons
US Legal Cup (Nutrition) (240 mL) 270g 3 Cups (3 cups) 48.0 tbsp 144.0 tsp
US Customary Cup (236.588 mL) 266g 3 Cups (3 cups) 48.0 tbsp 144.0 tsp
Metric Cup (250 mL) 281g 3 Cups (3 cups) 48.0 tbsp 144.0 tsp
UK Imperial Cup (284.131 mL) 320g 3 Cups (3 cups) 48.0 tbsp 144.0 tsp

How to Measure 3 Cups of Rolled Oats (Old Fashioned)

Steamed and rolled whole oat groats. Quick oats weigh slightly more per cup (~100g) due to smaller flake size.

Chef's Tip:

Because oat flakes create large air pockets in a measuring cup, weighing is crucial when making granola or oatmeal cookies.

View Full Rolled Oats (Old Fashioned) Guide → Browse All Cups to Grams Conversions →

Other Rolled Oats Cup Sizes

0.5 cups Rolled Oats → 2 cups Rolled Oats →

Frequently Asked Questions

How many grams is 3 Cups of Rolled Oats (Old Fashioned)?

3 Cups of Rolled Oats (Old Fashioned) weighs approximately 270 grams (9.52 ounces) when measured under standard conditions (Dry flakes, uncompressed).

How many tablespoons is in 3 Cups of Rolled Oats (Old Fashioned)?

There are 16 tablespoons in 1 cup, so 3 Cups equals 48.0 tablespoons (144.0 teaspoons).

How is the weight of 3 Cups of Rolled Oats (Old Fashioned) calculated?

Weight is calculated by multiplying volume by bulk density: 3 cup(s) × 90 grams per cup = 270 grams.