Kilometers per Hour to Meters per Second converter (km/h to m/s)
Convert Kilometers per Hour (km/h) to Meters per Second (m/s) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Meters per Second to Kilometers per Hour (m/s to km/h) ►
How to convert Kilometers per Hour to Meters per Second
1 kilometer per hour (km/h) is equal to 0.277778 meters per second (m/s).
ms = kmh ÷ 3.6
Multiply the speed in km/h by 0.277778:
Example: Convert 36 km/h to m/s:
ms = 36 × 0.277778 = 10 ms
What is a Kilometers per Hour?
The Kilometers per Hour (km/h) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Meters per Second?
The Meters per Second (m/s) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts speed from Kilometers per Hour into Meters per Second. One km/h equals 0.277778 m/s.
Kilometers per Hour to Meters per Second conversion table
Common km/h values and the matching m/s result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Kilometers per Hour (km/h) | Meters per Second (m/s) |
|---|---|
| 10 km/h | 2.77778 m/s |
| 20 km/h | 5.55556 m/s |
| 30 km/h | 8.33334 m/s |
| 50 km/h | 13.8889 m/s |
| 60 km/h | 16.66668 m/s |
| 80 km/h | 22.22224 m/s |
| 100 km/h | 27.7778 m/s |
| 120 km/h | 33.33336 m/s |
How this calculator works
The form on this page is a Kilometers per Hour-to-Meters per Second converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the m/s result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many m/s are in 1 km/h?
1 km/h = 0.277778 m/s.
How do I convert Kilometers per Hour to Meters per Second?
Multiply the speed in km/h by 0.277778:
Is this km/h to m/s converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.