40 inches by 13 feet equates to 43.33 square feet.
Wiki User
∙ 2014-08-16 13:35:3514 inches x 40 inches = 560 square inches = 38/9 square feet
40 inches times 9 inches are 360 square inches. 360 square inches are 2.5 square feet.
2.5 square feet.
22.2 square feet.
11.11 square feet.
5760 square inches
100 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.
560 square inches or 3.89 square feet.
37ft by 40 inches is an area of 123.3 square feet.
5 square feet
6.1 square feet.