Grams to Cups
Rolled Oats (Old Fashioned) Volume

1/2 Cups of Rolled Oats to Grams

1/2 Cups of Rolled Oats (Old Fashioned) weighs approximately 45 grams in US cups. Complete volume to weight conversion chart, tablespoon equivalents, and baking tips.

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1/2 cups (0.50)

0.5 grams of Rolled Oats (Old Fashioned) equals approximately 1/2 cups (US Legal Cup (Nutrition)).

8.0 Tablespoons
24.0 Teaspoons
120.0 mL Volume (mL)
1.59 oz Ounces (Weight)
Direct Answer:

1/2 Cups of Rolled Oats (Old Fashioned) = 45 grams (1.59 oz)

Tablespoons: 8.0 tbsp Teaspoons: 24.0 tsp Volume: 120.0 mL Condition: Dry flakes, uncompressed 1 Cup Standard: 90g

Volume-to-Weight Calculation Formula

Weight (grams) = Cup Volume × Grams per Cup (Density) Weight = 0.5 × 90g = 45 grams

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

1/2 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) 45g 1/2 Cups (0.5 cups) 8.0 tbsp 24.0 tsp
US Customary Cup (236.588 mL) 44g 1/2 Cups (0.5 cups) 8.0 tbsp 24.0 tsp
Metric Cup (250 mL) 47g 1/2 Cups (0.5 cups) 8.0 tbsp 24.0 tsp
UK Imperial Cup (284.131 mL) 53g 1/2 Cups (0.5 cups) 8.0 tbsp 24.0 tsp

How to Measure 1/2 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

2 cups Rolled Oats → 3 cups Rolled Oats →

Frequently Asked Questions

How many grams is 1/2 Cups of Rolled Oats (Old Fashioned)?

1/2 Cups of Rolled Oats (Old Fashioned) weighs approximately 45 grams (1.59 ounces) when measured under standard conditions (Dry flakes, uncompressed).

How many tablespoons is in 1/2 Cups of Rolled Oats (Old Fashioned)?

There are 16 tablespoons in 1 cup, so 1/2 Cups equals 8.0 tablespoons (24.0 teaspoons).

How is the weight of 1/2 Cups of Rolled Oats (Old Fashioned) calculated?

Weight is calculated by multiplying volume by bulk density: 0.5 cup(s) × 90 grams per cup = 45 grams.