4 kilometers are 4,000 meters.
There are: 400 centimeters = 4 meters
4 kilometers = 4,000 meters
4 meters = 40 decimeters
There are 5 times 4 = 20 square meters
4 feet = 1.2192 meters
That depends what it is 0.4 of. If it is 0.4 centimetres, this is equal to 0.004 metres.
4*5 = 20 square meters
6,437.376 meters.
1 kilometer is 1,000 meters. Thus, 4 kilometers is 4,000 meters.
That would be 4. Now, what did you actually mean to ask?
12