14 inches=355.6 millimeters
Inch is approximately 2.54 cm or 25.4 mm Hence 8.5 inches is 8.5 x 25.4 = 215.9 mm
One litre is 1000000 cubic milimeters; so 2 litres would be 2000000 milimeteres
3.5 centimeters = 35 millimeters
There are 1000 millimeters in a meter.
7.1cm = 71mm (cm x 10 = mm)
Diameter = 14 inches => circumference = pi*14 = 43.98 inches.
14 inches = 35.56 centimeters.
14*12+8 = 176 inches
You have 40*14 = 560 square inches.
14 ft = 168 inches
There are 12 inches in one foot, so in 14 feet there are 14 x 12 inches, which is 168 inches.
40 x 14 = 560 square inches