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Convert Inch to Kilometer (in to km)

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


Inch (abbreviation: in): is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1/36 yard but usually taken as 1/12 of a foot.

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.

How to Convert Inches to Kilometers

Example: How many kilometers are equivalent to 17.77 inches?


1 inches = 2.5E-5 kilometers

17.77 inches = Y kilometers

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

Y equals 17.77 times 2.5E-5 over 1

(i.e.) Y = 17.77 * 2.5E-5 / 1 = 0.00044425 kilometers

Answer is: 0.00044425 kilometers are equivalent to 17.77 inches.

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 ) 36.19 in

( ii ) 61.86 in

( iii ) 35.37 in

  • Wikipedia
  • USMA
  • NIST

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