Flours & Grains Benchmark

Rolled Oats (Old Fashioned) Grams to Cups

Whole oat groats that have been steamed, flattened between steel rollers, and lightly toasted. Use the verified calculator and reference tables below to convert between grams, cups, ounces, and tablespoons.

Rolled Oats (Old Fashioned) Converter

Calibrated to 90g per US Customary Cup (0.38 g/mL).

g
Presets:
Culinary Conversion Result
1 cups(1.001 cups exact)
Tablespoons16.02 tbsp
Teaspoons48.1 tsp
Dry Ounces3.17 oz
Fluid Ounces8.01 fl oz

Technique note: Scoop gently and level. Do not compress down.

Verified standard: 1 US cup of Rolled Oats (Old Fashioned) = 90 grams (USDA FoodData Central (FDC ID: 173904)).

Looking for complete Rolled Oats (Old Fashioned) conversion charts?View Rolled Oats (Old Fashioned) Guide→
1 US Customary Cup
90 grams
3.2 oz · 16 tablespoons
1 Metric Cup (AU/NZ)
95 grams
250 mL volume standard
Bulk Density
0.38 g/mL
At 20°C ambient room temp

Recommended Measuring Technique

Scoop gently and level. Do not compress down.

Culinary Science Tip: Quick oats are rolled thinner and weigh about 85g per cup, while steel-cut oats are dense and weigh ~155g per cup.

Standard source: USDA FoodData Central (FDC ID: 173904)

Rolled Oats (Old Fashioned): Cup to Grams Conversion Table

Common recipe cup measurements converted into exact grams and ounces (US Customary 236.6 mL cup):

CupsGramsOunces (oz)Tablespoons
1/8 cup11.3 g0.40 oz2.0 tbsp
1/4 cup22.5 g0.79 oz4.0 tbsp
1/3 cup30 g1.06 oz5.3 tbsp
1/2 cup45 g1.59 oz8.0 tbsp
2/3 cup60 g2.12 oz10.7 tbsp
3/4 cup67.5 g2.38 oz12.0 tbsp
1 cup90 g3.17 oz16.0 tbsp
1 1/4 cups112.5 g3.97 oz20.0 tbsp
1 1/2 cups135 g4.76 oz24.0 tbsp
2 cups180 g6.35 oz32.0 tbsp
3 cups270 g9.52 oz48.0 tbsp

Rolled Oats (Old Fashioned): Grams to Cups Conversion Table

Metric recipe weights in grams converted into US Customary cups and level tablespoons:

Grams (Weight)US Cups (Volume)Exact DecimalTablespoons
10 g1.8 tbsp0.11 cups1.8 tbsp
25 g0.28 cups0.28 cups4.4 tbsp
50 g0.56 cups0.56 cups8.9 tbsp
75 g0.83 cups0.83 cups13.3 tbsp
100 g1.11 cups1.11 cups17.8 tbsp
120 g1.33 cups1.33 cups21.3 tbsp
125 g1.39 cups1.39 cups22.2 tbsp
150 g1.67 cups1.67 cups26.7 tbsp
175 g1.94 cups1.94 cups31.1 tbsp
200 g2.22 cups2.22 cups35.6 tbsp
225 g2.5 cups2.5 cups40 tbsp
250 g2.78 cups2.78 cups44.4 tbsp
300 g3.33 cups3.33 cups53.3 tbsp
350 g3.89 cups3.89 cups62.2 tbsp
400 g4.44 cups4.44 cups71.1 tbsp
500 g5.56 cups5.56 cups88.9 tbsp

Rolled Oats (Old Fashioned) FAQs

Everything you need to know about kitchen weight and volume conversions

1 standard US Customary cup of rolled oats (old fashioned) weighs 90 grams (or 3.2 ounces). In a 250mL Metric cup, it weighs approximately 95 grams.