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.
15.1 m/s
1.51 * 101 m/s (scientific)
15.05 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
54 180 m/hr
49.4 ft/sec
1.00 secs
1 sec
1 sec(s)
15.1 meter
15.05 * 103 mm
1.51 * 103 cm
592.52 in
49.38 ft
16.46 yard
15.05 m
15.05 * 10-3 km