None. An inch is a measure of distance while a square inch is a measure of area. The two measure different things and according to basic dimensional analysis conversion from one to the other is not a valid operation.
315 millimeters=12.4015748 inches
Approximately 315 inches.
315 millimeters (mm) = 12.4 inches (1 inch = 25.4 millimeters)
315
Approx 29.3 square metres.
315 miles = 19958400 inches.
A+ x(x-6)=315
Approximately 315 inches.
315 millimeters=12.4015748 inches
315 millimeters (mm) = 12.4 inches (1 inch = 25.4 millimeters)
315
315 square feet.
There are 25.4 milimeters in one inch. That comes out to 315 inches.
Approx 29.3 square metres.
17.75 is the square root of 315.
35
500 x 315 = 157,500 square meters.