None.
Feet a re a measure of distance while 41 is a pure number - without measurement units. According to basic dimensional analysis, conversion from one to the other in not valid.
41 inches = 3.42 feet.
41 acres is 1,785,960 square feet.
41'X41'= 1681sf = 0.038590 acres
If the 144 and 41 measurements are in feet then there are 5904 square feet.
There are 3 feet in a yard. So that is 3 x 41 = 123
14 feet x 41 feet = 574 square feet (574 ft2)
41 x 41 x 52 = 87,412 (cubic feet).
41 square meters is 441.32 square feet.
123 feet.
3.42 feet.3 feet, 5 inches
41 feet and 0.12 inches
41 feet 8 inches.