Convert Kilometres (km) to Inches (in) | km in in

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# Let's convert Kilometres (km) to Inches (in)

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

## Quick Reference for Converting Kilometres to Inches

Formula
in = km x 39370.08
Quick Rough Maths
To get the Inches, multiply the number of Kilometres by 39.4 thousand
Kilometres (km) in 1 Inch
There are 0 Kilometres in 1 Inch
Inches (in) in 1 Kilometre
There are 39370.08 Inches 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.

Inch
/ɪn(t)ʃ/
Symbol: in
Unit System: Imperial

### What is the Inch?

The inch is a unit of length in the imperial unit system with the symbol in.

There are 12 inches in a foot and 3 feet in a yard. Therefore there are 36 inches in a yard. There are exactly 2.54 centimetres in an inch.

Borrowed from the Latin 'uncia' - the English word 'inch', the origination of the word came from the Old English word for 'ounce' which was related to the Roman phrase for "one twelfth".

The inch is still a commonly used unit in the UK, USA and Canada - and is also still used in the production of electronic equipment, still very evident in the measuring of monitor and screen sizing.