Verified Cup Weight90g / US Cup Density

1½ cups of Rolled Oats (Old-Fashioned) in Grams

Complete weight conversion, condition density variance, brand comparisons, and recipe scaling for 1½ cups of rolled oats (old-fashioned).

Direct Answer

1½ cups of rolled oats (old-fashioned) weighs 135.0 grams when measured level.

This volume of rolled oats (old-fashioned) is equal to 24.0 tablespoons or 72.0 teaspoons. In dry weight measurement, 1½ cups equals 4.76 ounces (135.00g exact).

Convert 1½ cups of Oats to Other Units

Instantly calculate exact gram, ounce, tablespoon, and liquid millilitre equivalents for 1½ cups of rolled oats (old-fashioned).

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Brand Density & Package OverrideKing Arthur Baking

Custom package weights override standard database densities for this session without altering official database records.

Calculated Conversion Output
1 cup + 1 tablespoon + 2¼ teaspoons
1 ⅛ cups
1.11 cups
Basis: 1 US Customary Cup (236.59 ml) = 90g (Rolled Oats (Old-Fashioned))
1 Full Cup + Remainder
1 Cup¾½¼
Cross-Unit Equivalent Strip
Tablespoons17.8 tbsp
Teaspoons53.3 tsp
Ounces3.53 oz
Millilitres262.9 ml
Butter SticksN/A
Pounds0.22 lbs
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Cross-Unit Conversion Table for 1½ cups Rolled Oats (Old-Fashioned)

Complete breakdown of weight, volume, and count equivalents for 1½ cups of rolled oats (old-fashioned).

Measurement UnitConverted ValueConversion Basis
Gram Weight135.0 grams90g per US customary cup
Ounces Weight (Dry)4.76 oz28.3495 grams per oz
US Tablespoons24.0 tbsp16 tbsp per US cup
US Teaspoons72.0 tsp48 tsp per US cup
Fluid Millilitres (ml)354.9 mlDensity: 0.3804 g/ml
Pounds (lbs)0.298 lbs453.592 grams per lb

Condition Variance: How Preparation Technique Alters Weight

Measuring by volume introduces density variations depending on whether rolled oats (old-fashioned) is spooned, scooped, sifted, or packed. Here is the exact gram weight for 1½ cups:

Spooned & Leveled (Standard)

135.0 grams

Fluffed and leveled off
Scooped Directly (Compacted)

151.2 grams

Packs 12-15% extra weight
Sifted / Aerated

121.5 grams

Aerated particle structure
Recipe Impact Analysis:

Scooping 1½ cups of rolled oats (old-fashioned) directly from the bag creates a weight variance of 29.7 grams compared to sifted flour. In precision recipes, this extra 29.7g causes dry cake crumbs, dense bread dough, and altered moisture absorption.

Brand Density Variance for 1½ cups Rolled Oats (Old-Fashioned)

Major commercial brands for rolled oats (old-fashioned) adhere strictly to USDA density baselines of 90 grams per US customary cup.

When measuring 1½ cups, brand variations stay within a 2% margin, ensuring our benchmark weight of 135.0 grams remains universally accurate across store brands.

Recipe Scaling Multipliers for 1½ cups Rolled Oats (Old-Fashioned)

Easily double, triple, or halve your recipe by converting scaled cup amounts of rolled oats (old-fashioned) directly into exact grams:

Recipe Context: What is 1½ cups of Rolled Oats (Old-Fashioned) Used For?

In professional baking recipes, 1½ cups of rolled oats (old-fashioned) (135.0 grams) provides the necessary density and moisture balance for key recipe formulations.

Scoop into cup and level gently.

Related Weight & Ingredient Links

Frequently Asked Questions: 1½ cups Rolled Oats (Old-Fashioned)

How many grams is 1½ cups of rolled oats (old-fashioned)?

1½ cups of rolled oats (old-fashioned) weighs 135.0 grams when measured spooned and leveled into a US customary measuring cup. This corresponds to 24.0 tablespoons or 4.76 dry ounces.

Why does 1½ cups of rolled oats (old-fashioned) weigh 135.0g?

Weight depends on bulk density. Rolled Oats (Old-Fashioned) has a verified density of 90 grams per US cup (236.588 ml). Multiplying 1.5 cups by 90g/cup yields exactly 135.0 grams.

How does measuring technique affect 1½ cups of rolled oats (old-fashioned) in grams?

Spooned and leveled 1½ cups weighs 135.0g. Scooping directly from the bag compacts particles and increases weight to 151.2g (a 29.7g difference), which can ruin recipe ratios.