Kilometer per Hour (km/h)
Kilometers per hour express how many kilometers are covered in one hour — 1 km/h equals 1/3.6 m/s.
Kilometers per hour are the default on vehicle speedometers and road signs outside the United States.
Kilometer per Hour to Meter per Second
Convert kilometer per hour to meter per second instantly. Type in either field — results update live.
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Speed Kilometer per Hour Meter per Second
1 kilometer per hour = 0.2777777778 meters per second
Unit
Unit
Conversion table
Selected km/h values converted to m/s using the exact factor from this tool.
| km/h | m/s |
|---|---|
| 0.01 | 0.0027777778 |
| 0.1 | 0.0277777778 |
| 1 | 0.2777777778 |
| 2 | 0.5555555556 |
| 3 | 0.8333333334 |
| 5 | 1.388888889 |
| 10 | 2.777777778 |
| 20 | 5.555555556 |
| 50 | 13.88888889 |
| 100 | 27.77777778 |
| 1,000 | 277.7777778 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 km/h = 0.2777777778 m/s
1 m/s = 3.5999999997 km/h
To convert kilometer per hour to meter per second, multiply by 0.2777777778.
To convert meter per second to kilometer per hour, multiply by 3.5999999997.
Example: convert 10 km/h to m/s
10 × 0.2777777778 = 2.777777778 m/s
About these units
Short background on the units used in this conversion.
Meter per Second (m/s)
Meters per second is the SI unit of speed — how many meters an object travels in one second.
Meters per second appear in physics labs, wind-speed science data, and some European road signage.
Frequently asked questions
How many meters per second are in one kilometer per hour?
One kilometer per hour equals 0.2777777778 meters per second. Multiply your kilometers per hour value by 0.2777777778 to convert to meters per second.
What is the conversion formula?
m/s = km/h × 0.2777777778The reverse is
km/h = m/s × 3.5999999997, using the same exact factors as this converter.Is this Kilometer per Hour to Meter per Second converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All kilometer per hour conversions
Jump to any speed conversion starting from kilometer per hour — including the reverse direction and every other unit in our dataset.
meter per second (m/s) → kilometer per hour (km/h)
kilometer per hour (km/h) → mile per hour (mph)kilometer per hour (km/h) → meter per hour (m/h)kilometer per hour (km/h) → meter per minute (m/min)kilometer per hour (km/h) → kilometer per minute (km/min)kilometer per hour (km/h) → kilometer per second (km/s)kilometer per hour (km/h) → centimeter per hour (cm/h)kilometer per hour (km/h) → centimeter per minute (cm/min)kilometer per hour (km/h) → centimeter per second (cm/s)kilometer per hour (km/h) → millimeter per hour (mm/h)kilometer per hour (km/h) → millimeter per minute (mm/min)kilometer per hour (km/h) → millimeter per second (mm/s)kilometer per hour (km/h) → foot per hour (ft/h)kilometer per hour (km/h) → foot per minute (ft/min)kilometer per hour (km/h) → foot per second (ft/s)kilometer per hour (km/h) → yard per hour (yd/h)kilometer per hour (km/h) → yard per minute (yd/min)kilometer per hour (km/h) → yard per second (yd/s)kilometer per hour (km/h) → mile per minute (mi/min)kilometer per hour (km/h) → mile per second (mi/s)kilometer per hour (km/h) → inch per second (in/s)kilometer per hour (km/h) → knot (kn)kilometer per hour (km/h) → knot (uk) (kn (UK))kilometer per hour (km/h) → mach (sea level, ~stp)kilometer per hour (km/h) → mach (20°c, 1 atm)kilometer per hour (km/h) → mach (si standard)kilometer per hour (km/h) → velocity of light in vacuum (c)kilometer per hour (km/h) → cosmic velocity — first (v₁)kilometer per hour (km/h) → cosmic velocity — second (v₂)kilometer per hour (km/h) → cosmic velocity — third (v₃)kilometer per hour (km/h) → earth's velocity (v⊕)kilometer per hour (km/h) → velocity of sound in pure water (c_water)kilometer per hour (km/h) → velocity of sound in sea water (20°c, 10 m) (c_sea)