Convert Oat Flour from Cup

How much is 1 cup of oat flour?

1 cup of oat flour (ground oats) is 100 grams, about 3.53 ounces. 0.5 cups of oat flour is 50 grams and 2 cups is 200 grams. Use the converter below for any amount.

Oat flour is made from finely ground rolled oats, giving it a mild, slightly nutty flavour and a naturally gluten-free composition when certified gluten-free oats are used. One metric cup (250 ml) of oat flour weighs approximately 100 grams or 3.53 ounces. It is commonly used in pancakes, muffins, cookies, and quick breads as a wholesome substitute for plain flour.

Oat flour is much lighter and less dense than plain flour, so substituting by volume rather than weight leads to significant differences in texture and structure. Weighing oat flour in grams ensures consistent, reliable results across recipes.

Also known as

  • ground oats
  • oatmeal flour
  • blended oats

Related Oat Flour Ingredients

Oat flour is rolled oats milled to a powder, so the two are close in weight (100 g vs 90 g per cup). Blitz rolled oats in a blender to make your own oat flour, or weigh the flour when a recipe needs the fine, ready-ground form. See rolled oats in cups.

Out of oat flour? See oat flour substitutes →

No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.

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Oat Flour Measurement Converter

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Oat Flour Calculators & Baking Tools

Working with oat flour? These tools handle the jobs a converter cannot.

Common Oat Flour Conversions

Here are the most common oat flour conversions from cups to grams.

CupsGrams
0.25 cups25 g
0.5 cups50 g
0.75 cups75 g
1 cup100 g
1.25 cups125 g
1.5 cups150 g
2 cups200 g
2.5 cups250 g
3 cups300 g

Oat Flour Conversion Chart

The conversion chart below gives a quick reference for converting oat flour from Cup to other measurements.

cupgramsounceslbkgcup(US)tbsptsp
0.25 cup25 g0.88 oz0.06 lb0.03 kg0.26 cup (US)4.17 tbsp12.5 tsp
0.5 cup50 g1.77 oz0.11 lb0.05 kg0.52 cup (US)8.33 tbsp25 tsp
1 cup100 g3.53 oz0.22 lb0.1 kg1.04 cup (US)16.67 tbsp50 tsp
2 cup200 g7.06 oz0.44 lb0.2 kg2.08 cup (US)33.33 tbsp100 tsp

Frequently Asked Questions

How much is 1 cup of oat flour?
1 cup of oat flour is 100 grams, or 3.53 ounces. The ratio is fixed, so 0.5 cups of oat flour is 50 grams and 2 cups is 200 grams. Whatever unit your recipe uses, enter the amount in the converter above or read the conversion chart on this page for the most common quantities. Open the oat flour converter
How many grams is 1 cup of oat flour?
1 cup of oat flour is 100 grams. The conversion scales in a straight line, so 0.5 cups is 50 grams and 2 cups is 200 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact grams reading at any amount. 1 cup oat flour in grams
How many cups of oat flour is 100 grams?
100 grams of oat flour is 1 cup. The conversion works the same in reverse, so you can switch between cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.
What is 1 cup of oat flour in ounces?
1 cup of oat flour is 3.53 ounces. The ratio is fixed, so 0.5 cups is 1.77 ounces and 2 cups is 7.06 ounces. Use the converter above for any other amount, or see the chart on this page for the common quantities at a glance. 1 cup oat flour in ounces
How do cups and tablespoons compare as units?
Cups and tablespoons are both volume units, so the conversion between them does not vary by ingredient. One metric cup holds about 16.67 tablespoons or 50 teaspoons, and the ratio stays fixed regardless of what you are measuring. The volume converter handles any amount between cups, tablespoons, teaspoons, and millilitres. Cups to tablespoons

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