How to convert meters per second to kilometers per hour
Multiply the number of meters per second by 3.6. That is all there is to it, because the factor between meters per second and kilometers per hour never changes.
Formula
km/h = m/s × 3.6
Example: 25 meters per second × 3.6 = 90 kilometers per hour.
m/s to km/h chart
| Meters per second (m/s) | Kilometers per hour (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 |
| 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 |
| 15 m/s | 54 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 |
| 60 m/s | 216 km/h |
| 70 m/s | 252 km/h |
| 75 m/s | 270 km/h |
| 80 m/s | 288 km/h |
| 90 m/s | 324 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 |
Values are rounded to six decimals below 1, four decimals up to 1,000 and two decimals above. The converter above shows more digits.
About the units
One kilometer per hour is 0.2777777778 meters per second.
Need the other direction? Use the km/h to m/s converter. For every speed unit at once, open the Speed Converter.
Frequently asked questions
How many kilometers per hour are in a meter per second?
There are 3.6 kilometers per hour in one meter per second.
How do I convert meters per second to kilometers per hour?
Multiply the number of meters per second by 3.6. For example: 25 meters per second × 3.6 = 90 kilometers per hour.
What is 40 meters per second in kilometers per hour?
40 meters per second equals 144 kilometers per hour.