1 km/s = 647.948164 nautical league (international)/hour; 1 nautical league (international)/hour = 0.001543 km/s
um/s ↔ mm/s
fps ↔ mps
km/d ↔ kph
kph ↔ mps
mps ↔ mph
in/s ↔ mm/s
kph ↔ mph
kt ↔ mps
cm/s ↔ kph
fpm ↔ mps
cm/s ↔ mps
mm/s ↔ mps
mi/min ↔ yd/s