Convert cups to cubic inches

1 cup=14.6457in³

Use the converter below to change any cups value into cubic inches instantly — with formula, conversion table, and real-world examples.

You have

Equals

14.6457

Conversion formula

Forward

cubic inches = cups × 14.6457

Reverse

cups = cubic inches × 0.06828

Example: 10 cup × 14.6457 = 146.457 in³.

About both units

From

Cup

cup

The US cup equals 240 millilitres in common usage (legally defined as 236.588 ml). The metric cup (Australia, NZ) is 250 ml; the UK "cup" is 284 ml but rarely used in recipes. Cooking recipes from the US dominate online, so 240 ml is the safe default for "cup".

Real-world: 1 cup of water = 240 g = 240 ml. 1 cup of all-purpose flour weighs about 125 g. A Starbucks Tall is 12 fl oz = 1.5 cups.

Read full cup reference →

Cubic Inch

in³

The cubic inch equals 16.387 cubic centimetres. Used in US automotive engineering for engine displacement (e.g., "350 cubic inch V8 = 5.7 L") and in firearms (bullet cartridges). Most of the rest of the world uses cc or litres.

Real-world: 350 cu in V8 = 5.7 L engine. 302 cu in Ford V8 = 4.9 L. Modern specs typically give litres.

Read full cubic inch reference →

Cup to Cubic Inch conversion table

Common cups to cubic inches values for quick reference.

Cup (cup)	Cubic Inch (in³)
1 cup	14.6457 in³
2 cup	29.2914 in³
5 cup	73.2285 in³
10 cup	146.457 in³
20 cup	292.914 in³
50 cup	732.285 in³
100 cup	1,464.57 in³
200 cup	2,929.14 in³
500 cup	7,322.85 in³
1,000 cup	14,645.7 in³

Tips & common mistakes

Quick tips

US cup = 240 ml common; 236.6 ml legal; UK cup = 284 ml; metric cup (AU/NZ) = 250 ml.
Weights (grams) are more reliable than cups — a cup of flour can vary 30% depending on how packed.
For baking, always use the recipe author's country convention.

Avoid these

Using a UK 284 ml cup for a US recipe calling for 240 ml — 18% overshoot.
Treating all dry ingredients as 1 cup = 240 g — only true for water.
Using a coffee mug as a "cup" — mugs vary 200–400 ml.

Frequently asked questions

How many cubic inches in a cup?

One cup equals 14.6457 cubic inches.

How do I convert cups to cubic inches?

Multiply the cup value by 14.6457 to get the equivalent in cubic inches.

What is 100 cups in cubic inches?

100 cups equals 1,464.57 cubic inches.

Is a cup bigger than a cubic inch?

Yes. 1 cup equals 14.6457 cubic inches, so one cup is larger.

How to convert cups to cubic inches without a calculator?

Multiply by 14.65 for a quick estimate; use a calculator for precise results.

Related volume conversions

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Convert cups to cubic inches

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