There are 1000 meters/second in 1 kilo meters/second
1 mile per hour = 0.44704 meter per second (rounded)
(1/0.18) = 5.555 meters per second (rounded)
1 m/h (1609 meters/1 mile)(1 hour/3600 sec.) = 0.45 meters per second ---------------------------------
x meters/second = 55 miles/1 hour * 1 hour/ 60 mins * 1 min/ 60 seconds = .0153 miles / second .0153 miles / second * 1,609.344 meters/1 mile = 24.6 meters/second
There are 1000 meters/second in 1 kilo meters/second
1 foot per second = 0.3048 meters per second.
Latitude and longitude are angles. There is no smallest unit. If you move one inch north of where you are right now, you've changed your latitude about 0.00000023 degree, or about 0.000004 milliradian.
1.8km = 1 nautical mile or knot
10,000
1 mile per hour = 0.44704 meter per second (rounded)
(1/0.18) = 5.555 meters per second (rounded)
1 mph = 0.44704 meters per second.
(1/32) in = 0.79375 millimeters
1 mile = 1609 meters 1 hour = 3600 seconds, so 1 mile in 1 hour = 1609 meters in 3600 seconds
1 m/h (1609 meters/1 mile)(1 hour/3600 sec.) = 0.45 meters per second ---------------------------------
1 km per second is defined as equal to 1000 meters per second. Therefore, a speed of 15 meters per second is 15/1000 km per second or 0.015 km per second.