Convert Kilometres (km) to Mils (mil) | km in mil

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# Let's convert Kilometres (km) to Mils (mil)

This quick and easy calculator will convert Kilometres (km) to Mils (mil) and show formula, brief history on the units and quick maths for the conversion.

## Quick Reference for Converting Kilometres to Mils

Formula
mil = km x 39370078.74
Quick Rough Maths
To get the Mils, multiply the number of Kilometres by 39.4 million
Kilometres (km) in 1 Mil
There are 0 Kilometres in 1 Mil
Mils (mil) in 1 Kilometre
There are 39370078.74 Mils in 1 Kilometre

## Unit Information

Kilometre
/ˈkɪləˌmiːtə,kɪˈlɒmɪtə/
Symbol: km
Unit System: SI

### What is the Kilometre?

The kilometre is a unit of length and is a multiple of the metre; an SI derived unit. It has the symbol km.

A kilometre is equal to 1000m, 1094 yards and 0.621 miles.

Kilometres is used to measure road distances in the US, though the UK is still using the imperial "sister" miles.

Mil
/mɪl/
Symbol: mil
Unit System: Imperial

### What is the Mil?

The mil is a unit of length in the imperial unit system and uses the symbol mil (or sometimes thou).

A mil in one one-thousandth of an inch (0.001 inches) or 25.4 μm.

The mil is still used in the US to measure thickness of various materials.