Convert metres per second to kilometres per hour
Enter a value in metres per second (m/s) to get kilometres per hour (km/h). One metre per second is 3.6 kilometres per hour; one kilometre per hour is 0.277778 metres per second.
How to use the Metre per second to kilometre per hour
- Type the number of metres per second.
- Click Convert.
- Read the result in kilometres per hour, plus the same value in every other speed unit.
m/s to km/h formula
kilometres per hour = metres per second × 3.6. To go the other way, metres per second = kilometres per hour × 0.277778 (see kilometres per hour to metres per second).
Worked example
12 m/s × 3.6 = 43.2 km/h.
Metres per second to kilometres per hour conversion table
| Metres per second | Kilometres per hour |
|---|---|
| 0.1 m/s | 0.36 km/h |
| 0.5 m/s | 1.8 km/h |
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.2 km/h |
| 3 m/s | 10.8 km/h |
| 5 m/s | 18 km/h |
| 10 m/s | 36 km/h |
| 20 m/s | 72 km/h |
| 25 m/s | 90 km/h |
| 50 m/s | 180 km/h |
| 100 m/s | 360 km/h |
| 250 m/s | 900 km/h |
| 500 m/s | 1,800 km/h |
| 1,000 m/s | 3,600 km/h |
About the metre per second
The SI unit of speed. Wind speed in forecasts across much of Europe.
About the kilometre per hour
Road speed limits in most countries.
Related conversions
Frequently asked questions
How many kilometres per hour in a metre per second?
3.6 kilometres per hour.
How many metres per second in a kilometre per hour?
0.277778 metres per second.
Is the factor exact?
The factor 3.6 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.