How many km^3 in 1 m^3?
The answer is 1.0E-9.

We assume you are converting between **cubic kilometre** and **cubic metre**.

You can view more details on each measurement unit:

km^3 or
m^3

The SI derived unit for **volume** is the cubic meter.

1 km^3 is equal to 1000000000 cubic meter.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between cubic kilometers and cubic meters.

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You can do the reverse unit conversion from m^3 to km^3, or enter any two units below:

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The cubic kilometer is a metric measure of volume or capacity equal to a cube 1 kilometer on each edge.

The cubic metre (symbol m³) is the SI derived unit of volume. It is the volume of a cube with edges one metre in length. Older equivalents were the stere and the kilolitre.

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