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.
69.4 m/s
6.94 * 101 m/s (scientific)
69.44 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
250 000 m/hr
228 ft/sec
3 600 secs
1.0 hrs
3.6 * 103 sec(s)
60 min(s)
1 hr(s)
250 000 meter
9.84 * 106 in
820.21 * 103 ft
273.4 * 103 yard
250 * 103 m
250 km
155.34 mile
134.99 nautical mile