None.
An inch is a measure of length or distance while a square inch is a measure of area. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
The area of a circle that has a circumference of 18 is 25.78 inches squared.
11.5 (sq inches) = 74.1934 sq. centimeters
630 cm squared equals 97.65 inches square.
It is 35*122 = 5040 sq inches.
9pi inches squared
18 18 in. squared
Nine feet squared equates to 1,296 inches squared. ** feet squared x 144 = inches squared
Square meters measure area, not length, so it doesn't make sense to convert them directly to inches. If you were asking about the length of one side of a square that has an area of 1.27 square meters, you would calculate the square root of 1.27 square meters to find the length of each side in meters.
one.
The area of a circle that has a circumference of 18 is 25.78 inches squared.
6.5 feet squared.
Divide that by 144 (12 squared).
9 feet squared = 9 ft x 9 ft = 108 inches x 108 inches = 108 inches squared [= 11664 square inches]. NB: 9 feet squared is NOT 9 square feet.
3.25 square yards = 4,212 square inches.
11.5 (sq inches) = 74.1934 sq. centimeters
13440 in2
1 yd = 3 ft 1 foot = 12 in 1 foot squared = 12 inches x 12 inches 1 foot squared = 144 squared inches 1 yard squared = 3 feet by 3 feet 1 yard squard = 9 squared feet 1 yard squared = 9 squared feet x 144 squared inches 1 yard squared =1296 squared inches 5 yards squared = 1296 squared inches x 5 5 yards squared = 6480 inches squared