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.
13.8 m/s
1.38 * 101 m/s (scientific)
13.79 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
49 650 m/hr
45.2 ft/sec
60.0 secs
1.0 min
60 sec(s)
1 min(s)
828 meter
827.5 * 103 mm
82.75 * 103 cm
32.58 * 103 in
2.71 * 103 ft
904.97 yard
827.5 m
827.5 * 10-3 km
514.19 * 10-3 mile
446.81 * 10-3 nautical mile