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.
250 m/s
2.5 * 102 m/s (scientific)
250.01 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
900 039 m/hr
820 ft/sec
60.0 secs
1.0 min
60 sec(s)
1 min(s)
15 001 meter
1.5 * 106 cm
590.58 * 103 in
49.21 * 103 ft
16.4 * 103 yard
15 * 103 m
15 km
9.32 mile
8.1 nautical mile