Convert Kilometres (km) to Fathoms (ftm) | km in ftm

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# Let's convert Kilometres (km) to Fathoms (ftm)

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

## Quick Reference for Converting Kilometres to Fathoms

Formula
ftm = km x 546.81
Quick Rough Maths
To get the Fathoms, multiply the number of Kilometres by 546.8
Kilometres (km) in 1 Fathom
There are 0 Kilometres in 1 Fathom
Fathoms (ftm) in 1 Kilometre
There are 546.81 Fathoms 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.

Fathom
/ˈfað(ə)m/
Symbol: ftm
Unit System: Imperial

### What is the Fathom?

The fathom is a unit of length in the imperial unit system and uses the symbol ftm.

One fathom is equal to 6 feet or 1.8288m.

The phrase fathom derives from an old English derivative of a Viking / Danish word "favn" meaning emracing a pair of arms or a pair of oustretched hands.

The fathom is mostly used in the nautical world to describe depths of water.