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.
17.8 m/s
1.78 * 101 m/s (scientific)
17.78 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
64 000 m/hr
58.3 ft/sec
86 400 secs
1.0 day
86.4 * 103 sec(s)
1.44 * 103 min(s)
24 hr(s)
1 day(s)
1 536 000 meter
5.04 * 106 ft
1.68 * 106 yard
1.54 * 106 m
1.54 * 103 km
954.43 mile
829.37 nautical mile