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Convert Millimeter to Kilometer (mm to km)

In next fields, kindly type your value in the text box under title [ From: ] to convert from millimeter to kilometer (mm to km). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

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Definitions:

Millimeter (abbreviation: mm): is a unit of length in the SI metric system, equal to one thousandth of a metre. Therefore, there are thousand millimetres in a metre and ten millimetres in a centimetre.

Kilometer (abbreviation: km): is a unit of length in the SI metric system, equal to one thousand metres (kilo- being the prefix for 1000). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world countries.

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How to Convert Millimeters to Kilometers

Example: How many kilometers are equivalent to 64.92 millimeters?


As;

1 millimeters = 1.0E-6 kilometers

64.92 millimeters = Y kilometers

Assuming Y is the answer, and by criss-cross principle;

Y equals 64.92 times 1.0E-6 over 1

(i.e.) Y = 64.92 * 1.0E-6 / 1 = 6.492E-5 kilometers

Answer is: 6.492E-5 kilometers are equivalent to 64.92 millimeters.


Practice Question: Convert the following units into km:


N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 98.08 mm

( ii ) 17.82 mm

( iii ) 84.63 mm



Convert Millimeter to More Length Units

References
  • Wikipedia
  • USMA
  • NIST

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