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.
15.5 m/s
1.55 * 101 m/s (scientific)
15.51 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
55 836 m/hr
50.9 ft/sec
1.00 secs
1 sec
1 sec(s)
15.5 meter
15.51 * 103 mm
1.55 * 103 cm
610.63 in
50.89 ft
16.96 yard
15.51 m
15.51 * 10-3 km