Convert Fathom to kilometres
Western Europe · Historical Length · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Fathom = 0.0018288 kilometres
kilometres = Fathom × 0.0018288
Convert any amount
Fathom to kilometres table
| Fathom | kilometres |
|---|---|
| 0.25 Fathom | 0.0004572 kilometres |
| 0.5 Fathom | 0.0009144 kilometres |
| 1 Fathom | 0.0018288 kilometres |
| 2 Fathom | 0.0036576 kilometres |
| 3 Fathom | 0.0054864 kilometres |
| 4 Fathom | 0.0073152 kilometres |
| 5 Fathom | 0.009144 kilometres |
| 10 Fathom | 0.018288 kilometres |
| 20 Fathom | 0.036576 kilometres |
| 25 Fathom | 0.04572 kilometres |
| 50 Fathom | 0.09144 kilometres |
| 100 Fathom | 0.18288 kilometres |
About the Fathom
Nautical depth measure = 6 feet = 1.83m.
- Symbol
- fathom
- Value in SI
- 1 Fathom = 1.8288 metre
- Typical use
- navigation
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI metre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other historical length units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Ell to kilometresHistorically reconstructed · 0.5–1.4 m
- League to kilometresHistorically reconstructed
- Rod/Perch/Pole to kilometresHistorically reconstructed
- Span to kilometresHistorically reconstructed
- Digit (Finger-width) to kilometresHistorically reconstructed
- Palm to kilometresHistorically reconstructed
- Stadion (Greek) to kilometresHistorically reconstructed
- Link (Gunter) to kilometresConventional value
Related conversions
Frequently asked
How many kilometres are in a Fathom?
1 Fathom = 0.0018288 kilometres. Multiply the number of Fathom by 0.0018288 to get kilometres.
What is Fathom used for?
Nautical depth measure = 6 feet = 1.83m. It is classified as active and dates from the modern period.
Is the Fathom value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI metre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Fathom conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Fathom to kilometres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/fathom-to-kilometer
Report an incorrect value or source
Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.