###### Asked in Math and ArithmeticUnits of MeasureGeometryAreaVolume

Math and Arithmetic

Units of Measure

Geometry

Area

Volume

# How do you convert 18 cubic inches into square feet?

## Answer

###### Wiki User

###### October 09, 2008 8:26PM

You don't.

You either

A) convert 18 cubic inches into cubic feet,

or

B) convert 18 square inches into square feet.

A... there are 1728 cubic inches in a cubic foot, so 18 cu in would be 0.00104 cu ft.

B... there are 144 square inches in a square foot, so 18 square inches would be 0.125 sq ft.

## Related Questions

###### Asked in Math and Arithmetic, Units of Measure, Geometry

### How do you convert 241920 square cubic inches to square cubic feet?

"Square cubic anything" is an unknown unit.
=> If you have a number of square inches of area, divide the
number by 144 to get the number of square feet.
241,920 square inches = (241,920 / 144) = 1,680 square feet
=> If you have a number of cubic inches of volume, divide the
number by 1,728 to get the number of cubic feet.
241,920 cubic inches = (241,920 / 1,728) = 140 cubic feet
=> If you have a number of square cubic inches, then you've made
a serious blunder somewhere up the line. You should repeat your
work.

###### Asked in Math and Arithmetic, Geometry

### How many cubic feet in 78.5square feet by 2 inches high?

Two solutions:
Solution 1:
Convert 78.5 square feet to square inches: 78.5 * 12 * 12 =
11,304 square inches
Now multiply that by your height: 11,304 * 2 = 22,608 cubic
inches
Now divide that by 1,728 cubic inches (which is a cubic foot):
22,608 / 1728 = 13.083 cubic feet (13 feet, 1 inch)
Solution 2:
Convert your height to feet: 2 / 12 = 0.167 feet
Now multiply that by 78.5: 0.167 * 78.5 = 13.083 cubic feet (13
feet, 1 inch)

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