Convert Corn Flour from Cup (US) to Ounces

How many ounces is 1 US cup of corn flour?

1 US cup of corn flour (Cornstarch) is 4.57 ounces. 2 US cups of corn flour is 9.14 ounces. 1/2 US cup of corn flour is 2.28 ounces. 1/4 US cup (0.25 US cup) of corn flour is 1.14 ounces. Use the converter below for any amount.

On this page, corn flour refers to the fine starch powder extracted from corn, known as cornstarch in North America and maize starch in some other regions. It is commonly used as a thickening agent in sauces, gravies, soups, and custards, and can also be used in some baking recipes to soften texture. One metric cup of corn flour weighs approximately 135 grams.

Corn flour (cornstarch) is a very fine starch that compacts easily when scooped, so measuring by weight gives more accurate and consistent results than volume alone. This page lets you convert corn flour between grams, cups, tablespoons, and more so your recipes turn out reliably every time.

Also known as

  • Cornstarch
  • Maize Starch

Related Corn Flour Ingredients

Cornmeal is the whole corn kernel ground coarse, giving texture and flavour, while corn flour (cornstarch) is a fine starch with neither. The two are not a swap; corn flour thickens sauces, cornmeal builds cornbread and polenta. See what 1 US cup of cornmeal is in ounces.

Arrowroot is a clear-setting root starch that swaps 1:1 for corn flour as a thickener. It sets glossier and handles acidic or frozen sauces better, while corn flour is cheaper and clouds slightly. They weigh close per cup (128 g arrowroot vs 135 g corn flour). See what 1 US cup of arrowroot is in ounces.

Tapioca starch swaps 1:1 for corn flour and sets to a clear, glossy finish that freezes and thaws without weeping. Corn flour is cheaper and clouds a little. Tapioca is a little lighter per cup (120 g vs 135 g corn flour). See what 1 US cup of tapioca starch is in ounces.

Out of corn flour? See corn flour substitutes →

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

Scoop it right, get measuring cups

Corn Flour Measurement Converter

Enter a value and pick your units.

Result

4.57 Ounces

Corn Flour Calculators & Baking Tools

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

Common Corn Flour Conversions

Here are the most common corn flour conversions from cups (US) to ounces.

Cups (US)Ounces
0.25 cups (US)1.14 oz
0.5 cups (US)2.28 oz
0.75 cups (US)3.43 oz
1 cup (US)4.57 oz
1.25 cups (US)5.71 oz
1.5 cups (US)6.85 oz
2 cups (US)9.14 oz
2.5 cups (US)11.42 oz
3 cups (US)13.71 oz

Corn Flour Conversion Chart

The conversion chart below gives a quick reference for converting corn flour from Cup (US) to Ounces and other measurements.

cup(US)ouncescupgramstbsptsp
0.25 cup (US)1.14 oz0.24 cup32.4 g4 tbsp12 tsp
0.5 cup (US)2.28 oz0.48 cup64.8 g8 tbsp24 tsp
1 cup (US)4.57 oz0.96 cup129.6 g16 tbsp48 tsp
2 cup (US)9.14 oz1.92 cup259.2 g32 tbsp96 tsp

For the reverse conversion, see 1 ounce of corn flour in US cups.

Frequently Asked Questions

What is 1 US cup of corn flour in ounces?
1 US cup of corn flour is 4.57 ounces. The ratio is fixed, so 2 US cups of corn flour is 9.14 ounces and 0.5 US cups is 2.28 ounces. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the corn flour converter
How many ounces is 1.5 US cups of corn flour?
1.5 US cups of corn flour is 6.85 ounces. The ratio is fixed, so 1 US cup of corn flour is 4.57 ounces and 2 US cups is 9.14 ounces. Type any other amount into the converter above for the exact figure, or use the chart below for the common ones.
What is 2 US cups of corn flour in ounces?
2 US cups of corn flour is 9.14 ounces. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 US cup of corn flour is 4.57 ounces, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact ounces reading.
How many US cups of corn flour is 4.57 ounces?
4.57 ounces of corn flour is 1 US cup. The conversion works the same in reverse, so you can switch between ounces and US cups without changing the result. This helps when a recipe lists US cups but you would rather weigh or measure in ounces. The converter above and the chart below cover both directions for any amount.
How much is 1 US cup of Cornstarch in ounces?
Cornstarch is another name for corn flour, so 1 US cup of Cornstarch is 4.57 ounces, exactly the same as corn flour. The figure does not change with the name: 2 US cups is 9.14 ounces and 0.5 US cups is 2.28 ounces. Use the converter above for any quantity, or read the conversion chart on this page for the most common amounts.
Are corn flour and Cornstarch the same thing?
Yes. Cornstarch is another name for corn flour, so they are the same ingredient and convert identically. 1 US cup of corn flour is 4.57 ounces under either name, and 2 US cups is 9.14 ounces. Recipes use the two names interchangeably, so you can follow either one without changing quantities or weighing any differently.
What is 1/2 cup (US) corn flour in ounces?
1/2 US cup of corn flour is 2.28 ounces. The ratio is fixed, so 1 US cup of corn flour is 4.57 ounces and 2 US cups is 9.14 ounces. Half measures come up often when scaling a recipe down, and the figure divides cleanly. Use the converter above for any other amount, or the chart below for the common ones.
What is 1/4 cup (US) corn flour in ounces?
1/4 US cup (0.25 US cup) of corn flour is 1.14 ounces. The ratio is fixed, so 1 US cup of corn flour is 4.57 ounces and 2 US cups is 9.14 ounces. Quarter amounts often come up when scaling a recipe down step by step, and the figure divides cleanly. Use the converter above for any other quantity, or the chart below for the most common amounts.

Other Ingredients

If you need help with any other ingredients click below: