Unladen swallow: 40 km/hr
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.
11.1 m/s
1.11 * 101 m/s (scientific)
11.11 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
40 001 m/hr
36.5 ft/sec
60.0 secs
1.0 min
60 sec(s)
1 min(s)
667 meter
666.69 * 103 mm
66.67 * 103 cm
26.25 * 103 in
2.19 * 103 ft
729.1 yard
666.69 m
666.69 * 10-3 km
414.26 * 10-3 mile
359.98 * 10-3 nautical mile