---
title: "Fathoms to Kilometers — ftm to km converter"
description: "1 fathom = 0.0018288 kilometers. Convert fathoms to kilometers with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/fathoms-to-km/
site: "At One Place"
---

# Fathoms to kilometers

**1 fathom in kilometers: 1 ftm = 0.0018288 km**

km = ftm × 0.0018288

To convert fathoms to kilometers, multiply by 0.0018288. The table below gives the values people look up most often, and the converter works for any number.

## Fathoms to kilometers table

*Common fathom values converted to kilometers.*

| Fathoms | Kilometers |
| --- | --- |
| 1 ftm | 0.0018288 |
| 2 ftm | 0.0036576 |
| 3 ftm | 0.0054864 |
| 4 ftm | 0.0073152 |
| 5 ftm | 0.009144 |
| 10 ftm | 0.018288 |
| 15 ftm | 0.027432 |
| 20 ftm | 0.036576 |
| 25 ftm | 0.04572 |
| 30 ftm | 0.054864 |
| 40 ftm | 0.073152 |
| 50 ftm | 0.09144 |
| 75 ftm | 0.13716 |
| 100 ftm | 0.18288 |
| 250 ftm | 0.4572 |
| 500 ftm | 0.9144 |
| 1,000 ftm | 1.8288 |

## How the conversion works

The relationship is km = ftm × 0.0018288. Both units measure length, so the conversion is a fixed factor that never changes.

## Common questions

### How many kilometers are in one fathom?

One fathom equals 0.0018288 kilometers. km = ftm × 0.0018288.

### How do you convert fathoms to kilometers?

Use km = ftm × 0.0018288. So 10 ftm is 0.018288 km.

### How many fathoms are in one kilometer?

One kilometer equals 546.8066 fathoms, which is the reverse of the conversion above.

## Related pages

- [Kilometers to Fathoms](https://atoneplace.net/convert/km-to-fathoms/)
- [Fathoms to Meters](https://atoneplace.net/convert/fathoms-to-meters/)
- [Fathoms to Centimeters](https://atoneplace.net/convert/fathoms-to-cm/)
- [Fathoms to Millimeters](https://atoneplace.net/convert/fathoms-to-mm/)
- [Fathoms to Miles](https://atoneplace.net/convert/fathoms-to-miles/)
- [Fathoms to Yards](https://atoneplace.net/convert/fathoms-to-yards/)
- [Fathoms to Feet](https://atoneplace.net/convert/fathoms-to-feet/)
- [Fathoms to Inches](https://atoneplace.net/convert/fathoms-to-inches/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)