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.

Type in your own numbers in the form to convert the units!

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

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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