Convert Millimeter to Mile (mm to mi)

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


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.

Mile (abbreviation: mi): is an English unit of length of distance equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.

How to Convert Millimeters to Miles

Example: How many miles are equivalent to 12.48 millimeters?


1 millimeters = 6.21E-7 miles

12.48 millimeters = Y miles

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

Y equals 12.48 times 6.21E-7 over 1

(i.e.) Y = 12.48 * 6.21E-7 / 1 = 7.75008E-6 miles

Answer is: 7.75008E-6 miles are equivalent to 12.48 millimeters.

Practice Question: Convert the following units into mi:

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

( i ) 59.12 mm

( ii ) 86.77 mm

( iii ) 71.29 mm

  • Wikipedia
  • USMA
  • NIST

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