Convert kilometers per hour to meters per second

Enter a value in kilometers per hour to convert it to meters per second.

=meters per second

kilometers per hour to meters per second reference

kilometers per hourmeters per second
1 km/h0.2778 m/s
2 km/h0.5556 m/s
5 km/h1.3889 m/s
10 km/h2.7778 m/s
25 km/h6.9444 m/s
50 km/h13.8889 m/s
100 km/h27.7778 m/s

The conversion factor

One kilometer per hour is 0.27777778 meters per second. So to convert, multiply your figure in kilometers per hour by 0.27777778. To go the other way, multiply meters per second by 3.6, or use the meters per second to kilometers per hour converter.

Doing it in your head

For a quick estimate, round the factor: roughly "divide by 4". Use the exact converter above when the number matters.

Where this conversion comes up

Driving abroad, running and cycling pace, wind speed, and vehicle specs.

See the common unit conversions cheat sheet for the factors worth memorising.

Related tools

meters per second to kilometers per hourmiles per hour to kilometers per hourkilometers per hour to miles per hourmiles per hour to feet per secondfeet per second to miles per hourknots to miles per hour

Frequently asked questions

How many meters per second are in a kilometer per hour?
1 kilometer per hour = 0.277778 meters per second.
What is the formula to convert kilometers per hour to meters per second?
Multiply the number of kilometers per hour by 0.27777778. To go back the other way, multiply meters per second by 3.6.
What is 10 kilometers per hour in meters per second?
10 kilometers per hour = 2.7778 meters per second. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.

Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.