Math and Arithmetic
Units of Measure

How many millimeters are there in one kilometer?

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Answer

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Wiki User
07/06/2011

There are 1,000 millimetres in one metre. There are 1,000 metres in one kilometre. Therefore, one kilometre is equal to 1,000 x 1,000 = 1,000,000 millimetres.

There are one million, or 1,000,000 millimeters in a kilometer.