How many cubic millimeters in 1 cubic kilometre? The answer is 1.0E+18. We assume you are converting between cubic millimetre and cubic kilometre. You can view more details on each measurement unit: cubic millimeters or cubic kilometre The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 1000000000 cubic millimeters, or 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 millimeters and cubic kilometers. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from cubic kilometre to cubic millimeters, or enter any two units below:
The cubic millimeter is a metric measure of volume or capacity equal to a cube 1 millimeter on each edge.
The cubic kilometer is a metric measure of volume or capacity equal to a cube 1 kilometer on each edge.
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