16 ft = 487.68 cm
256ft² = 23.8m²
16ft x 18ft= 288 ft^2
If they are 16ft x 16ft, two will be more than enough.
There are exactly 32 square yards in 16ft X 18ft
5 yd 1 ft
13.3 square feet.
16 feet is equivalent to 4.8768 metres.
176 sq. ft.
Assuming that "16ft by 6ft" are the dimensions of a rectangle (rather than an ellipse, for example), the area is 16*6 = 96 square feet.
368ft² = 34.19m²