Convert kilometer per hour to meter per second

1 km/h = 0.2777777778 m/s

1 km/h = 0.27778 m/s
1 km/h in every speed unit
millimeter per year8,766,000,000 mm/yr
millimeter per day24,000,000 mm/day
millimeter per hour1,000,000 mm/h
inch per day944,880 in/day
foot per day78,740 ft/d
inch per hour39,370 in/h
meter per day24,000 m/d
millimeter per minute16,667 mm/min
meter per hour1,000 m/h
inch per minute656.17 in/min
millimeter per second277.78 mm/s
foot per minute54.681 ft/min
centimeter per second27.778 cm/s
meter per minute16.667 m/min
inch per second10.936 in/s
kilometer per hour1 km/h
foot per second0.91134 ft/s
mile per hour0.62137 mph
knot0.53996 kn
meter per second0.27778 m/s
mach (sea level)0.00081629 Ma
kilometer per second0.00027778 km/s
speed of light9.2657e-10 c
How the conversion works

Multiply by 0.2777777778 to go from kilometer per hour to meter per second, or divide by it to go back. Every conversion on this site routes through the SI value (m/s) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? meter per second to kilometer per hour — 1 m/s = 3.6 km/h.

kilometer per hour to meter per second — common values
1 km/h0.27777778 m/s
2 km/h0.55555556 m/s
3 km/h0.83333333 m/s
5 km/h1.3888889 m/s
10 km/h2.7777778 m/s
15 km/h4.1666667 m/s
20 km/h5.5555556 m/s
25 km/h6.9444444 m/s
50 km/h13.888889 m/s
75 km/h20.833333 m/s
100 km/h27.777778 m/s
250 km/h69.444444 m/s
500 km/h138.88889 m/s
1000 km/h277.77778 m/s