Answer: 800000 ' = 243.84 km
8 km = 800000 cm
8 km = 800000 cm
It depends on the area of collection A. If you have a funnel with opening area A in ft^2 then you need: A*x/12=800000 x = 800000*12/A
It is 800000 centimetres.
1.8288 kilometers
20 feet = about 0.006096 kilometers.
11.03 kilometers = 36,187.664 feet
369 feet = 0.1124712 kilometers
340 kilometers = 1,115,485.56 feet
There are 1.9988784 kilometers in 6558 feet.
18,000 feet = 5.4864 kilometers
560 kilometers = 1,837,270.34 feet