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.
500 m/s
5 * 102 m/s (scientific)
500.01 m/s (engineering)
In the USA and UK, the older Imperial system is used, where things are measured in feet, inches and pounds.
1 800 021 m/hr
1 640 ft/sec
1.00 secs
1 sec
1 sec(s)
500 meter
500.01 * 103 mm
50 * 103 cm
19.69 * 103 in
1.64 * 103 ft
546.81 yard
500.01 m
500.01 * 10-3 km
310.69 * 10-3 mile
269.98 * 10-3 nautical mile