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.
15.5 m/s
1.55 * 101 m/s (scientific)
15.51 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
55 851 m/hr
50.9 ft/sec
86 400 secs
1.0 day
86.4 * 103 sec(s)
1.44 * 103 min(s)
24 hr(s)
1 day(s)
1 340 419 meter
4.4 * 106 ft
1.47 * 106 yard
1.34 * 106 m
1.34 * 103 km
832.9 mile
723.77 nautical mile