Inch, 1 inch is equivalent to 2.54 centimeters;

Feet, 1 foot equals 12 inches, equivalent to about 30.48 centimeters,about 0.3048 meters

18ft X 13ft=234ft=71.32 square metres.

Feet, 1 foot equals 12 inches, equivalent to about 30.48 centimeters,about 0.3048 meters

18ft X 13ft=234ft=71.32 square metres.