Kilometer/Hour to Meter/Second Conversion
1 Kilometer/Hour (km/h) equals 0.2777777778 Meter/Second (m/s).
1 Kilometer/Hour = 0.2777777778 Meter/Second
How to convert Kilometer/Hour to Meter/Second
Multiply the value in Kilometer/Hour by 0.2777777778 to get Meter/Second. To convert back from Meter/Second to Kilometer/Hour, divide by 0.2777777778 — or multiply by 3.6.
m/s = km/h × 0.2777777778
Example: 25 km/h × 0.2777777778 = 6.944444444 m/s.
Watch out: Mach number depends on air temperature. This converter uses 343 m/s, the speed of sound in dry air at about 20 °C; at cruising altitude the real figure is lower.
Kilometer/Hour to Meter/Second conversion table
| Kilometer/Hour (km/h) | Meter/Second (m/s) |
|---|---|
| 1 | 0.2777777778 |
| 2 | 0.5555555556 |
| 3 | 0.8333333333 |
| 4 | 1.111111111 |
| 5 | 1.388888889 |
| 10 | 2.777777778 |
| 15 | 4.166666667 |
| 20 | 5.555555556 |
| 25 | 6.944444444 |
| 50 | 13.88888889 |
| 75 | 20.83333333 |
| 100 | 27.77777778 |
| 250 | 69.44444444 |
| 500 | 138.8888889 |
| 1,000 | 277.7777778 |
Frequently asked questions
What is 1 Kilometer/Hour in Meter/Second?
1 Kilometer/Hour (km/h) is 0.2777777778 Meter/Second (m/s).
What is 1 Meter/Second in Kilometer/Hour?
1 Meter/Second (m/s) is 3.6 Kilometer/Hour (km/h).
How do I convert Kilometer/Hour to Meter/Second?
Multiply the value in Kilometer/Hour by 0.2777777778. For example, 5 km/h × 0.2777777778 = 1.388888889 m/s. To go the other way, divide by 0.2777777778.
How many units does the speed converter support?
It converts between 7 units: Meter/Second, Kilometer/Hour, Mile/Hour, Knot, Foot/Second, Centimeter/Second, Mach.
What should I watch out for when converting speed?
Mach number depends on air temperature. This converter uses 343 m/s, the speed of sound in dry air at about 20 °C; at cruising altitude the real figure is lower.
More speed conversions
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For any other speed unit, use the full Speed Converter.