Kilometer per second conversions

speed conversions » kilometer per second conversions
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The kilometer per second conversion selector on this page selects the speed/velocity measurement unit to convert to starting from kilometers per second (km/s). To make a conversion starting from a unit of speed other than kilometer per second, simply click on the "Reset" button.

What is kilometer per second?

The kilometre per second (or kilometer per second) is a unit of speed in the metric system of units equal to 1,000 meters per second (1 km/s = 1,000 m/s), the derived unit of speed in the International System of Units (SI). It is also equal to approximately 2,236.93629 miles per hour (mph or mi/h), or 3,280.8399 feet per second (ft/s), or 39,370.0787 inches per second (in/s) or 1,943.8445 knots (kn).

The speed is the distance traveled by an object during a period of time. Thus, kilometers per second (or kilometers/second) show how many kilometers are traveled in one second. The kilometer is a unit of length in the metric system while the second is a unit of time.

Symbol:

km/s

Plural:

kilometers per second

aka:

kilometre/second, kilometer per second (plural: kilometers per second, US spelling), kilometer/second (plural: kilometers/second, US spelling)