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)
20.01 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
72 054 m/hr
65.7 ft/sec
604 800 secs
1.0 wks
604.8 * 103 sec(s)
10.08 * 103 min(s)
168 hr(s)
7 day(s)
1 wk(s)
12 105 000 meter
12.11 * 103 km
7.52 * 103 mile
6.54 * 103 nautical mile