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.
55 850 m/hr
50.9 ft/sec
3 600 secs
1.0 hrs
3.6 * 103 sec(s)
60 min(s)
1 hr(s)
55 850 meter
5.59 * 106 cm
2.2 * 106 in
183.23 * 103 ft
61.08 * 103 yard
55.85 * 103 m
55.85 km
34.7 mile
30.16 nautical mile