Ounces to Cups for cornstarch

Convert ounces (weight) of cornstarch to US cups. A US cup of cornstarch weighs about 112 g, so the answer depends on the ingredient. Weighing is…

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Convert ounces (weight) of cornstarch to US cups. A US cup of cornstarch weighs about 112 g, so the answer depends on the ingredient. Weighing is more accurate than measuring by volume, so use this when a recipe lists the other unit.

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Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

Cups of cornstarch2.02 cups

With the default inputs (amount of cornstarch = 8 oz), the results are: cups of cornstarch 2.02 cups.

Quick reference: amount of cornstarch vs result

Reference table based on the example values; it is not your calculation result.

Amount of cornstarch (oz)Cups of cornstarch
41.01 cups
82.02 cups
164.05 cups
4010.12 cups
8020.25 cups
16040.50 cups

Frequently asked questions

What formula does this calculator use?

Cups of cornstarch = amount × 28.349523125 ÷ gpc. Variables: amount = amount of cornstarch in oz. Fixed values: gpc = 112.

What do I need to enter?

You need amount of cornstarch (oz). Results update as you type.

What is an example result?

With the default inputs (amount of cornstarch = 8 oz), the results are: cups of cornstarch 2.02 cups.

How accurate is this cooking conversion?

It uses an average of 112 g per US cup (236.6 mL) for cornstarch. Packing, sifting and brand differences can change the real weight by 10% or more.

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