How many cubic meter in 1 cubic kilometre?
The answer is 1000000000.

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

You can view more details on each measurement unit:

cubic meter or
cubic kilometre

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

1 cubic meter is equal to 1.0E-9 cubic kilometre.

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

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

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You can do the reverse unit conversion from cubic kilometre to cubic meter, or enter any two units below:

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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.

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

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