Lockheed SR-71 Blackbird: 3530 km/hr
This calculator helps you estimate the distance travelled after a certain time of constant speed. It also converts to alternative speed units: mile/hr, km/h, m/s, mach, ...
Most countries use the Metric System, which uses the measuring units such as meters and grams and adds prefixes like kilo, milli and centi to count orders of magnitude.
981 m/s
9.81 * 102 m/s (scientific)
980.5 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
3 529 800 m/hr
3 217 ft/sec
60.0 secs
1.0 min
60 sec(s)
1 min(s)
58 830 meter
5.88 * 106 cm
2.32 * 106 in
193.01 * 103 ft
64.34 * 103 yard
58.83 * 103 m
58.83 km
36.56 mile
31.77 nautical mile