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.
20.0 m/s
2 * 101 m/s (scientific)
20 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
72 006 m/hr
65.6 ft/sec
3 600 secs
1.0 hrs
3.6 * 103 sec(s)
60 min(s)
1 hr(s)
72 006 meter
7.2 * 106 cm
2.83 * 106 in
236.24 * 103 ft
78.75 * 103 yard
72.01 * 103 m
72.01 km
44.74 mile
38.88 nautical mile