You need a ruler, tape measure or something else preferably graded in inches, then you put this against what it is that you want to measure and see what you get.
If your measuring device is graded in cm remember that 1 inch is 2,54 cm
Cubic inches are a measure of volume, square inches a measure of area and inches a measure of length.
A yard is a measure of length whereas "72 inches by 72 inches" is a measure of area. You cannot convert a square measure into a linear measure.
A gallon is a measure of volume, and inches is a measure of length. They are not interconvertible.
You don't. Cubic inches is a measure of volume and square inches is a measure of area.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
This is an invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
This is an invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
This is an invalid conversion: square inches is a measure of area and inches is a measure of length or distance.
Invalid conversion: square inches is a measure of area and inches is a measure of length or distance.