This meters per second to kilometers per hour converter gives you the m/s to km/h result instantly, in your browser, with the exact ratio so you can verify it. 1 meter per second is about 3.6 kilometers per hour, and going the other way, 1 kilometer per hour is 0.277778 meters per second. Meters per second are an SI unit used in science and engineering; kilometers per hour are part of the metric system used in most countries.
To convert by hand, multiply the number of meters per second by 3.6. For example, 10 meters per second is 36 kilometers per hour and 100 meters per second is 360 kilometers per hour. The table below lists the most requested values, and the converter above accepts decimals for anything in between.
m/s to km/h formula
km/h = m/s × 3.6
1 meter per second is about 3.6 kilometers per hour. Multiply the value in meters per second by that factor to get kilometers per hour.
Meters per second to Kilometers per hour conversion table
| meters per second | kilometers per hour | Rounded |
|---|---|---|
| 1 m/s | 3.6 km/h | 3.6 |
| 2 m/s | 7.2 km/h | 7.2 |
| 3 m/s | 10.8 km/h | 10.8 |
| 4 m/s | 14.4 km/h | 14.4 |
| 5 m/s | 18 km/h | 18 |
| 6 m/s | 21.6 km/h | 21.6 |
| 7 m/s | 25.2 km/h | 25.2 |
| 8 m/s | 28.8 km/h | 28.8 |
| 9 m/s | 32.4 km/h | 32.4 |
| 10 m/s | 36 km/h | 36 |
| 12 m/s | 43.2 km/h | 43.2 |
| 15 m/s | 54 km/h | 54 |
| 20 m/s | 72 km/h | 72 |
| 25 m/s | 90 km/h | 90 |
| 30 m/s | 108 km/h | 108 |
| 40 m/s | 144 km/h | 144 |
| 50 m/s | 180 km/h | 18 |
| 60 m/s | 216 km/h | 216 |
| 70 m/s | 252 km/h | 252 |
| 75 m/s | 270 km/h | 27 |
| 80 m/s | 288 km/h | 288 |
| 90 m/s | 324 km/h | 324 |
| 100 m/s | 360 km/h | 36 |
| 150 m/s | 540 km/h | 54 |
| 200 m/s | 720 km/h | 72 |
| 250 m/s | 900 km/h | 9 |
| 300 m/s | 1,080 km/h | 108 |
| 500 m/s | 1,800 km/h | 18 |
| 750 m/s | 2,700 km/h | 27 |
| 1,000 m/s | 3,600 km/h | 36 |
Frequently asked questions
How many kilometers per hour are in 5 meters per second?
5 m/s = 18 km/h. Multiply 5 by 3.6, the number of kilometers per hour in one meter per second. The converter on this page does the same arithmetic for any value, including decimals.
What is the formula to convert meters per second to kilometers per hour?
km/h = m/s × 3.6. The factor comes from the definitions of the units: 1 meter per second is about 3.6 kilometers per hour. Worked example: 12 m/s = 43.2 km/h.
Is 30 m/s the same as 108 km/h?
Yes. 30 m/s = 108 km/h. Rounded to four decimals it is 108 km/h.
How do I convert kilometers per hour back to meters per second?
Divide by 3.6, or multiply by 0.277778: 1 kilometer per hour is 0.277778 meters per second. The kilometers per hour to meters per second page linked above lists common values the other way.
Is the m/s to km/h conversion exact?
1 meter per second is about 3.6 kilometers per hour. The ratio is a defined constant but produces a long decimal, so this page rounds to six significant digits, which is more precision than any everyday measurement needs.