1 meter per second = 3.6 km/h
1 m/s = 3.6 km/h · type math like (12*4)+6.5
Meters per second to km/h translates physics and sports science figures into everyday speeds. Wind speeds from weather stations, sprint data and physics homework are given in m/s, while people picture speed in km/h.
Weather data often uses m/s, especially in Scandinavia and parts of Europe. The Beaufort scale's fresh breeze is 8.0–10.7 m/s, which is 28.8–38.5 km/h, and gale force begins at 17.2 m/s, or 61.9 km/h. Storm warnings in Norway are issued in m/s, so travellers convert them to km/h.
Sports science uses m/s for sprint and running speeds. Elite marathon pace of 2:01 for 42.195 km is about 5.8 m/s, which is 20.9 km/h. A professional football player sprinting at 9 m/s is running at 32.4 km/h.
In engineering, conveyor belts, elevators and fans are specified in m/s. A lift traveling at 2.5 m/s moves at 9 km/h, while high-speed elevators in skyscrapers can exceed 10 m/s, or 36 km/h.
Ballistics and sport projectiles use m/s. A professional football shot can reach 35 m/s (126 km/h), and a badminton smash has been measured above 120 m/s, which is more than 430 km/h.
Physics textbooks express the speed of light as 299,792,458 m/s. In km/h that is about 1.08 billion km/h, which shows why scientists prefer m/s for very large and very small speeds.
Running coaches convert pace too. A 4 minute per kilometer pace is 4.17 m/s, which is 15 km/h, and a 5 minute per kilometer pace is 3.33 m/s, which is 12 km/h. Treadmills in gyms display km/h, while sports science research and GPS watches may report speed in m/s.
Cars and trains in physics problems are often given in m/s. A car at 30 m/s is traveling at 108 km/h, slightly above a typical European motorway speed of 100–120 km/h. A train at 83.3 m/s is running at 300 km/h, the speed of many high-speed rail services.
Animals are also measured in both. A cheetah's top speed of about 29 m/s is roughly 104 km/h, and a peregrine falcon's dive at over 90 m/s exceeds 320 km/h.
A quick check: the km/h number is always 3.6 times the m/s number, so it should be noticeably larger. 20 m/s should give 72 km/h. If you get 5.56, you divided by 3.6 instead of multiplying. A handy reference is that 10 m/s is exactly 36 km/h, which you can scale up or down for rough answers.
km/h = m/s × 3.6
Reverse: 1 km/h = 0.27777778 m/s.
Convert 15 m/s to km/h.
Answer: 15 m/s = 54 km/h.
| m/s | km/h |
|---|---|
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.2 km/h |
| 3 m/s | 10.8 km/h |
| 4 m/s | 14.4 km/h |
| 5 m/s | 18 km/h |
| 6 m/s | 21.6 km/h |
| 7 m/s | 25.2 km/h |
| 8 m/s | 28.8 km/h |
| 9 m/s | 32.4 km/h |
| 10 m/s | 36 km/h |
| 11 m/s | 39.6 km/h |
| 12 m/s | 43.2 km/h |
| 13 m/s | 46.8 km/h |
| 14 m/s | 50.4 km/h |
| 15 m/s | 54 km/h |
| m/s | km/h |
|---|---|
| 16 m/s | 57.6 km/h |
| 17 m/s | 61.2 km/h |
| 18 m/s | 64.8 km/h |
| 19 m/s | 68.4 km/h |
| 20 m/s | 72 km/h |
| 25 m/s | 90 km/h |
| 30 m/s | 108 km/h |
| 40 m/s | 144 km/h |
| 50 m/s | 180 km/h |
| 75 m/s | 270 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 |
His 2009 top speed of about 12.4 m/s is 44.6 km/h.
Many turbines stop at 25 m/s, which is 90 km/h.
1.4 m/s is 5.04 km/h.
km/h numbers are always bigger. 10 m/s is 36 km/h, not 2.78.
3,600 seconds per hour divided by 1,000 meters per km gives 3.6.
1 m/s is 2.237 mph, a separate factor.
The SI unit of speed: 1 meter traveled in 1 second, equal to 3.6 km/h.
Origin. Derived from the SI base units of meter and second.
Used today. Physics, engineering, meteorology and sports analysis.
1 km/h is exactly 1/3.6 m/s.
Origin. Metric road speed unit.
Used today. Road and vehicle speeds.
3.6 km/h.
About 343 m/s at 20 °C, or 1,235 km/h.
360 km/h.
The World Meteorological Organization recommends SI units, so many European services report wind in m/s.