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.
31.1 m/s
3.11 * 101 m/s (scientific)
31.11 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
112 000 m/hr
102 ft/sec
30.0 secs
30 sec
30 sec(s)
933 meter
933.33 * 103 mm
93.33 * 103 cm
36.75 * 103 in
3.06 * 103 ft
1.02 * 103 yard
933.33 m
933.33 * 10-3 km
579.95 * 10-3 mile
503.96 * 10-3 nautical mile