Cup (US) to Cubic Inch Converter

Volume Converter

40 units available

Decimals:

From

To

14.4375

1 cup = 14.4375 in³

Formula:

in³ = cup × 14.4375

With your value: 1 cup = 14.4375 in³

How big is that?

Everyday references on a logarithmic scale, all expressed in cup (us) so you can sanity-check the result.

Milk carton (1/2.4e+2 your value)0.00423 cup

Kitchen bucket (1/24 your value)0.0423 cup

Car fuel tank (1/4.7 your value)0.211 cup

Bathtub (1/1.2 your value)0.845 cup

Your value1.00 cup

Hot tub (6.3× your value)6.34 cup

Other Cup (US) to Cubic Inch conversions

2 cup to in³ 3 cup to in³ 4 cup to in³ 5 cup to in³ 6 cup to in³ 7 cup to in³ 8 cup to in³

Cup (US) to Cubic Inch Conversion Table

Cup (US) (cup)	Cubic Inch (in³)
0.5	7.21875
1	14.4375
2	28.875
5	72.1875
10	144.375
15	216.5625
20	288.75
25	360.9375
50	721.875
100	1,443.75
250	3,609.375
500	7,218.75
1000	14,437.5

Cubic Inch to Cup (US) Conversion Table

Cubic Inch (in³)	Cup (US) (cup)
0.5	0.034632
1	0.069264
2	0.138528
5	0.34632
10	0.692641
15	1.038961
20	1.385281
25	1.731602
50	3.463203
100	6.926407
250	17.316017
500	34.632035
1000	69.264069

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Cup (US) (cup)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Cubic Inch (in³)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Cup (US) to Cubic Inch

To convert from Cup (US) (cup) to Cubic Inch (in³), multiply the value by 14.4375.

Formula: in³ = cup × 14.4375

Reverse: cup = in³ × 0.0692640693

Step-by-Step Example

Start with your value in Cup (US). For example: 5 cup
Multiply by the conversion factor: 5 x 14.4375
The result is: 72.1875 in³

About Cup (US)

The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.

Common uses: baking, cooking, recipes.

About Cubic Inch

The cubic inch (in³) is a unit of volume and capacity. One cubic inch equals 0.016387064 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

Frequently Asked Questions

How many Cubic Inch are in 1 Cup (US)?

There are exactly 14.4375 Cubic Inch in 1 Cup (US). This means the conversion factor from Cup (US) to Cubic Inch is 14.4375.

What is the formula to convert Cup (US) to Cubic Inch?

The formula to convert Cup (US) to Cubic Inch is: in³ = cup × 14.4375. For example, to convert 10 Cup (US) to Cubic Inch, you would multiply 10 by 14.4375.

What is a Cup (US)?