1 foot = 0.3048 metres.
So 45km = 45000 metres = 45000/0.3048 ft = 147 638 feet.
45ft = 0.0137km
45 cubic km = 10.8 cubic miles
45 kilometers/second (1 mile/1.609 kilometers)(5280 feet/1 mile) = 147,669 feet per second ===================
45 kilometers=4,500,000 centimeters
There are 27.96170365 miles in 45 kilometers. 45 kilometers x 1 mile/1.609344 kilometers = 27.96170365 miles 1 mile = 1.609344 kilometers
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