kilometre per hour km/h
1 km per hour. International road speed.
Quick convert — kilometre per hour to popular units
Live converter, three directions. Type any value to update all three.
kilometre per hour
metre per second
1 km/h = 0.2778m/s
kilometre per hour
mile per hour
1 km/h = 0.6214mph
kilometre per hour
knot
1 km/h = 0.54kn
Conversion table — kilometre per hour to every Speed unit
All values for 1 km/h (forward) and 1 reverse unit → {symbol}.
| To / From | 1 km/h = | 1 to-unit = |
|---|---|---|
| metre per second (m/s) | 0.27777778 m/s | 3.6 km/h |
| mile per hour (mph) | 0.62137119 mph | 1.609344 km/h |
| knot (kn) | 0.5399568 kn | 1.852 km/h |
| foot per second (ft/s) | 0.91134442 ft/s | 1.09728 km/h |
| Mach (Ma) | 0.0008163 Ma | 1,225.044 km/h |
Frequently Asked Questions
What does km/h stand for?
kilometre per hour (km/h) is a unit of Speed.
How many km/h are in 1 m/s?
1 m/s = 0.277778 km/h, so 1 km/h = 3.6 m/s.
Is this the SI base unit?
No. kilometre per hour is one of several units in the Speed category. The SI base is m/s.
Common conversions from kilometre per hour
#1
kilometre per hour (km/h) → meter per second (m/s)
Convert kilometre per hour (km/h) to meter per second.
#2kilometre per hour (km/h) → mile per hour (mph)
Convert kilometre per hour (km/h) to mile per hour.
#3kilometre per hour (km/h) → knot (kn)
Convert kilometre per hour (km/h) to knot.
#4kilometre per hour (km/h) → foot per second (ft/s)
Convert kilometre per hour (km/h) to foot per second.
#5kilometre per hour (km/h) → mach (Ma)
Convert kilometre per hour (km/h) to mach.