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.
18.6 m/s
1.86 * 101 m/s (scientific)
18.56 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
66 816 m/hr
60.9 ft/sec
1.00 secs
1 sec
1 sec(s)
18.6 meter
18.56 * 103 mm
1.86 * 103 cm
730.71 in
60.89 ft
20.3 yard
18.56 m
18.56 * 10-3 km
11.53 * 10-3 mile
10.02 * 10-3 nautical mile