Kilometres per hour to Metres per second Converter
Convert kilometre per hour to metre per second instantly. Type a value below — the result updates as you type.
When you need to convert kilometre per hour to metre per second
Speed conversions are handy for driving abroad, reading weather and marine forecasts, or comparing vehicle, wind and running pace figures quoted in unfamiliar units.
Typical values: 0.5 km/h is about 0.1389 m/s, and 100 km/h works out to roughly 27.7778 m/s. Because the ratio is fixed at 0.2778, you can scale any amount linearly — doubling the kilometres per hour doubles the metres per second.
Road signs, aviation and sailing each use their own speed unit, so the same motion can be described several ways.
How to convert kilometre per hour to metre per second
One kilometre per hour equals 0.2778 metres per second. To convert, multiply the number of kilometres per hour by 0.2778:
metres per second = kilometres per hour × 0.2778
For example, 10 kilometres per hour × 0.2778 = 2.7778 metres per second.
Kilometres per hour to metres per second conversion table
| Speed (km/h) | Metres per second (m/s) |
|---|---|
| 1 km/h | 0.2778 m/s |
| 2 km/h | 0.5556 m/s |
| 3 km/h | 0.8333 m/s |
| 5 km/h | 1.3889 m/s |
| 10 km/h | 2.7778 m/s |
| 20 km/h | 5.5556 m/s |
| 50 km/h | 13.8889 m/s |
| 100 km/h | 27.7778 m/s |
FAQ
How many metres per second are in a kilometre per hour?
One kilometre per hour = 0.2778 metres per second.
How do I convert metres per second back to kilometres per hour?
Divide by 0.2778, or use the metres per second to kilometres per hour converter.