M/S to KM/H Converter
Convert meters per second to kilometers per hour instantly. 1 m/s = 3.6 km/h, worked steps and a full reference table.
How to use it
- Type the value in meters per second — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 m/s | 3.6 km/h |
| 5 m/s | 18 km/h |
| 10 m/s | 36 km/h |
| 100 m/s | 360 km/h |
One meters per second equals 3.6 kilometers per hours (km/h). To convert meters per seconds to kilometers per hours, multiply by 3.6; to go back the other way, multiply by 0.27777778 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What meters per seconds and kilometers per hours actually measure
Meters per second (m/s) — Metres per second is the SI unit of speed. Physics, wind speed and engineering.
Kilometers per hour (km/h) — Kilometres per hour is the everyday metric speed unit. Road speed limits and vehicle speedometers in most countries.
M/S to KM/H conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| m/s | km/h |
|---|---|
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.2 km/h |
| 5 m/s | 18 km/h |
| 10 m/s | 36 km/h |
| 25 m/s | 90 km/h |
| 50 m/s | 180 km/h |
| 100 m/s | 360 km/h |
How to convert meters per seconds to kilometers per hours by hand
Multiply the number of meters per seconds by 3.6.
For example, 25 m/s × 3.6 = 90 km/h.
Going the other way, divide by 3.6 — or multiply by 0.27777778, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many km/h are in 1 m/s?
1 m/s equals exactly 3.6 km/h. Multiply any value in meters per second by 3.6 to get kilometers per hour.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026