How many inches is need to make one kilometer?

== == 1 km = 1 000 m = 100 000 cm 1 inch = 2.54 cm (exact)

100 000 / 2.54 = 39 370.07874

39 370.07874 inches are 1 kilometer.

Scroll down to related links and look at "Conversions of length (distance) units".
39370.1
There are 39370.0787 inches in a kilometer.