Cubic Inches to Cubic Feet Conversion

Cubic Inches to Feet Conversion Example

Cubic inches and cubic feet are two English units of volume commonly used in the United States.
Cubic inches and cubic feet are two English units of volume commonly used in the United States. Todd Helmenstine
Updated March 19, 2017

Converting cubic inches to cubic feet is a common problem. Here is the conversion factor and a worked example.

Conversion Factor

1728 cubic inches = 1 cubic foot

0.000578704 cubic feet = 1 cubic inch

Simple Example

Convert 54.9 cubic inches into cubic feet. You can multiply by the conversion factor:

54.9 cubic inches x 0.000578704 cubic feet per cubic inch = 0.0318 cubic feet

or you could simply divide the value in cubic feet by 1728:

54.9 cubic inches / 1728 cubic feet per cubic inch = 0.0318 cubic feet

Worked Example

You measure a box and find it is 12 inches long, 5 inches high, and 3 inches deep. The volume of the box is length x width x height so the volume of the box is:

12 x 5 x 3 = volume in cubic inches

180 cubic inches

Now, to convert this to cubic feet, you know there are 1728 cubic inches in 1 cubic foot:

180 cubic inches x (1 cubic foot / 1728 cubic inches) = volume in cubic feet

180 cubic inches x 0.000578704 cubic feet/cubic inch = volume in cubic feet

0.1042 cubic feet

More Examples

Converting Cubic Inches to Liters
Convert Cubic Feet to Liters
Convert Cubic Meters to Cubic Feet