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.
72 018 m/hr
65.6 ft/sec
86 400 secs
1.0 day
86.4 * 103 sec(s)
1.44 * 103 min(s)
24 hr(s)
1 day(s)
1 728 431 meter
5.67 * 106 ft
1.89 * 106 yard
1.73 * 106 m
1.73 * 103 km
1.07 * 103 mile
933.28 nautical mile