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 year | 8,766,000,000 mm/yr |
| millimeter per day | 24,000,000 mm/day |
| millimeter per hour | 1,000,000 mm/h |
| inch per day | 944,880 in/day |
| foot per day | 78,740 ft/d |
| inch per hour | 39,370 in/h |
| meter per day | 24,000 m/d |
| millimeter per minute | 16,667 mm/min |
| meter per hour | 1,000 m/h |
| inch per minute | 656.17 in/min |
| millimeter per second | 277.78 mm/s |
| foot per minute | 54.681 ft/min |
| centimeter per second | 27.778 cm/s |
| meter per minute | 16.667 m/min |
| inch per second | 10.936 in/s |
| kilometer per hour | 1 km/h |
| foot per second | 0.91134 ft/s |
| mile per hour | 0.62137 mph |
| knot | 0.53996 kn |
| meter per second | 0.27778 m/s |
| mach (sea level) | 0.00081629 Ma |
| kilometer per second | 0.00027778 km/s |
| speed of light | 9.2657e-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/h | 0.27777778 m/s |
| 2 km/h | 0.55555556 m/s |
| 3 km/h | 0.83333333 m/s |
| 5 km/h | 1.3888889 m/s |
| 10 km/h | 2.7777778 m/s |
| 15 km/h | 4.1666667 m/s |
| 20 km/h | 5.5555556 m/s |
| 25 km/h | 6.9444444 m/s |
| 50 km/h | 13.888889 m/s |
| 75 km/h | 20.833333 m/s |
| 100 km/h | 27.777778 m/s |
| 250 km/h | 69.444444 m/s |
| 500 km/h | 138.88889 m/s |
| 1000 km/h | 277.77778 m/s |
Other speed conversions
km/h → ft/skm/h → mphkm/h → knkm/h → ft/minft/s → m/smph → m/skn → m/sft/min → m/s