Velocity/Speed Calculator

The velocity/speed of an moving object can be determined by using the following formula:

where v is the velocity/speed, D is the distance and t is the time(duration).

Distance (D):		ångström [Å] arm length arpent length [Canada] astronomical unit [AU] big point [bp][Adobe] cable length [UK imperial] cable length [international] cable length [US] caliber chain [ch][Engineer, Ramsden's chain] chain [ch][metric] chain [ch][Survey, Gunter's chain] chi [China] click [US military] cubit didot point [Adobe] didot point [Europe] digit [Europe] douzième ell [ell][English] em fall [English] fall [Scotland] fathom [fth] fermi [fm] finger finger [cloth] fist fod [Danish] foot [ft][international] foot [ft][US, survey] football field [Canada] football field [US] furlong [fur] gauge [standard] goad hand heer [cloth] inch [in][international] inch [in][US, survey] klafter lap [international] league [lea] li light-second light-year [l.y.] ligne [French] ligne [Swiss] line linear foot [=foot] linear inch [=inch] linear meter [=meter] linear yard [=yard] link [Gunter's, Surveyor's] link [Ramsden's, Engineer's] marathon marathon [actual distance] meile [Germany] meter [m]   millimeter [mm]   centimeter [cm]   kilometer [km] metre [m] micron mil mile [mi][international] mile [mi][international nautical] mile [mi][UK nautical] mile [mi][US nautical] mile [mi][US survey] mile [Admiralty nautical] mile [Danish] mile [data] mile [Irish] mile [Scottish] mile [Finnish] myriameter [mym] nail nanon pace [English] pace [metric] palm parsec [astronomy] perch pica pie [Spain] point [Adobe] point [English, US] point [paper] point [metric] pouce [French] quadrant quarter [horse racing] ridge [Welsh] rod rood rope [rope] sadzhen [Russia] span [cloth] tenth meter [Spain] thou toise [French1799] toise [Switzerland] twip [typographical] yard [international]
Time (t):		century day decade dog watch dog year fortnight helek hour [hr] indiction jiffy jiffy [alternate] jubilee [Biblical] lustrum millennium minute [min] moment month [28 days] month [29 days] month [30 days] month [31 days] Olympiad quarter [90 days] score second [s]   millisecond week year [365 days] year [366 days, leap year] year [tropical year] year [Gregorian]
The speed is (v):		foot / hour [ft/hr] foot / minute [ft/min] foot / second [ft/s] furlong / hour furlong / minute furlong / second inch / hour [in/hr] inch / minute [in/min] inch / second [in/s] knot [kn] mach [M] meter / hour [m/h]   centimeter / hour   kilometer / hour meter / minute [m/min]   centimeter / minute   kilometer / minute meter / second [m/s]   centimeter / millisecond [cm/ms]   centimeter / second [cm/s]   meter / millisecond [m/ms]   kilometer / millisecond [km/ms]   kilometer / second [km/s] mile / hour [mph] mile / minute [mpm] mile / second [mps] yard / hour [yd/hr] yard / minute [yd/min] yard / second [yd/s]