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.
50.0 m/s
5 * 101 m/s (scientific)
50 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
180 000 m/hr
164 ft/sec
60.0 secs
1.0 min
60 sec(s)
1 min(s)
3 000 meter
3 * 106 mm
300 * 103 cm
118.11 * 103 in
9.84 * 103 ft
3.28 * 103 yard
3 * 103 m
3 km
1.86 mile
1.62 nautical mile