Speed conversion calculator

Convert

250 m/sec
15 km/min
900 km/hr
21600 km/day
273.4 yard/sec
0.15534 mile/sec
9.321 mile/min
559.2 mile/hr
13422 mile/day
876881 mile/wk
8.099 nautical mile/min
486 nautical mile/hr
0.72844 mach

Compare

Compare 900 km/hr to speed standards from:
Cars • Planes • Physics • Nature •

Average human walking • Svetlana Masterkova 1996 - 1 mile run • Hicham El Guerrouj 1999 - 1 mile run • Florence Griffith-Joyner 1988 - 100m sprint • Usain Bolt 2009 - 100m sprint • Unladen swallow • Ostrich - fastest animal on 2 legs • Cheetah - fastest runner • Black marlin - fastest swimmer • Horse-fly - fastest insect • Golden eagle max airspeed • Peregrine falcon - fastest flyer •

References

Speed of light
Speed of sound
Speed of unladen swallow