Convert Corn Flour from Cup (US) to Grams

How many grams is 1 US cup of corn flour?

1 US cup of corn flour (Cornstarch) is 129.6 grams. 2 US cups of corn flour is 259.2 grams. 1/2 US cup of corn flour is 64.8 grams. 1/4 US cup (0.25 US cup) of corn flour is 32.4 grams. Use the converter below for any amount.

  • These figures use the US cup (240 ml), so 1 cup is 129.6 g. A metric cup is slightly larger at 250 ml and holds about 135 g. Use the metric cup converter →
  • Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →

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 grams.

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 grams.

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 grams.

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

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Result

129.6 Grams

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 grams.

Cups (US)Grams
0.25 cups (US)32.4 g
0.5 cups (US)64.8 g
0.75 cups (US)97.2 g
1 cup (US)129.6 g
1.25 cups (US)162 g
1.5 cups (US)194.4 g
2 cups (US)259.2 g
2.5 cups (US)324 g
3 cups (US)388.8 g

Corn Flour Conversion Chart

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

cup(US)gramscupouncestbsptsp
0.25 cup (US)32.4 g0.24 cup1.14 oz4 tbsp12 tsp
0.5 cup (US)64.8 g0.48 cup2.28 oz8 tbsp24 tsp
1 cup (US)129.6 g0.96 cup4.57 oz16 tbsp48 tsp
2 cup (US)259.2 g1.92 cup9.14 oz32 tbsp96 tsp

For cups to grams with a different ingredient, use the cups to grams converter for a quick-reference table.

For the reverse conversion, see 100 grams of corn flour in US cups.

Frequently Asked Questions

What is 1 US cup of corn flour in grams?
1 US cup of corn flour is 129.6 grams. The ratio is fixed, so 2 US cups of corn flour is 259.2 grams and 0.5 US cups is 64.8 grams. 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 grams is 1.5 US cups of corn flour?
1.5 US cups of corn flour is 194.4 grams. The ratio is fixed, so 1 US cup of corn flour is 129.6 grams and 2 US cups is 259.2 grams. 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 grams?
2 US cups of corn flour is 259.2 grams. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 US cup of corn flour is 129.6 grams, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact grams reading.
How many US cups of corn flour is 129.6 grams?
129.6 grams of corn flour is 1 US cup. The conversion works the same in reverse, so you can switch between grams and US cups without changing the result. This helps when a recipe lists US cups but you would rather weigh or measure in grams. The converter above and the chart below cover both directions for any amount.
How much is 1 US cup of Cornstarch in grams?
Cornstarch is another name for corn flour, so 1 US cup of Cornstarch is 129.6 grams, exactly the same as corn flour. The figure does not change with the name: 2 US cups is 259.2 grams and 0.5 US cups is 64.8 grams. 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 129.6 grams under either name, and 2 US cups is 259.2 grams. 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 grams?
1/2 US cup of corn flour is 64.8 grams. The ratio is fixed, so 1 US cup of corn flour is 129.6 grams and 2 US cups is 259.2 grams. 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 grams?
1/4 US cup (0.25 US cup) of corn flour is 32.4 grams. The ratio is fixed, so 1 US cup of corn flour is 129.6 grams and 2 US cups is 259.2 grams. 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.
Is 1 cup of corn flour 135 or 130 grams?
A cup of corn flour weighs 135 grams in a metric cup (250 ml) and about 130 grams in a US cup (240 ml), since the metric cup holds a little more. Most US recipes mean the US cup, while UK, Australian, and European recipes use the metric cup. The difference is small but worth checking when a recipe is precise. Weigh on a scale for the most reliable result.

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