›› Convert kilometre/hour to kilometre/second


›› More information from the unit converter

How many kilometre/hour in 1 kilometer/second? The answer is 3600.
We assume you are converting between kilometre/hour and kilometre/second.
You can view more details on each measurement unit:
kilometre/hour or kilometer/second
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 kilometre/hour, or 0.001 kilometer/second.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilometers/hour and kilometers/second.
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You can do the reverse unit conversion from kilometer/second to kilometre/hour, or enter any two units below:

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›› Definition: Kilometer/hour

The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).

The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!