2.5 square feet.
14 inches x 40 inches = 560 square inches = 38/9 square feet
If you mean how many square feet are in a rectangle 62 inches by 40 inches, then there would be 17.22 square feet.
480 inches are in 40 linear feet.
13.8 square feet
8.33 square feet.
40" x 262" = approximately 72.78 square feet.
40 inches by 13 feet equates to 43.33 square feet.
40 inches times 9 inches are 360 square inches. 360 square inches are 2.5 square feet.
22.2 square feet.
Many possibilities exist: for example 32 ft x 10 ft.
560 square inches or 3.89 square feet.
37ft by 40 inches is an area of 123.3 square feet.