Convert kilometres to Fathom
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 kilometre = 546.807 Fathom
Fathom = kilometres × 546.80665
Convert any amount
kilometres to Fathom table
| kilometres | Fathom |
|---|---|
| 0.25 kilometres | 136.702 Fathom |
| 0.5 kilometres | 273.403 Fathom |
| 1 kilometre | 546.807 Fathom |
| 2 kilometres | 1,093.61 Fathom |
| 3 kilometres | 1,640.42 Fathom |
| 4 kilometres | 2,187.23 Fathom |
| 5 kilometres | 2,734.03 Fathom |
| 10 kilometres | 5,468.07 Fathom |
| 20 kilometres | 10,936.1 Fathom |
| 25 kilometres | 13,670.2 Fathom |
| 50 kilometres | 27,340.3 Fathom |
| 100 kilometres | 54,680.7 Fathom |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 Fathom are in a kilometre?
1 kilometre = 546.807 Fathom. Multiply the number of kilometres by 546.80665 to get Fathom.
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 kilometres to Fathom. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/kilometer-to-fathom
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.