I believe there are 2.54 cm per inch. so 2.54 times 16= 40.64
16inches equates to 406.4mm
1.34 feet
16 inches is 406.4mm
28 square feet.
406.4 millimeters
10inches, 12inches, and 16inches
25% increase.
The area is 201.06 square inches.
8 inches. Radius is ½ diameter.
48 inches by 16 inches by 18 inches = 8 cubic feet.
16 X pi = about 50 inches.
21 inchs like my dick