None.
An inch is a measure of length or distance in 1-dimensional space while a cubic inch is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid without some addition information.
1800 (cubic centimeters) = 109.842739 cubic inches (From Google Calculator)
7.79 gallons
There are 61.02 cubic inches per liter: 1800ci / 61.02 = about 29.5 liters.
1,728 cubic inches.
There are 1,728 cubic inches to the cubic foot
There are 1,728 cubic inches in a cubic foot.
14.8 cubic feet = 25,574.4 cubic inches.
1728 cubic inches = 28316.8 cubic centimeters
1800 US liquid gallons = 6.814 cubic meters
2.81 cubic inches.
That is 79.33 cubic inches.
111.92 cubic inches.