Convert inches 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 inch = 0.0138889 Fathom
Fathom = inches × 0.013888889
Convert any amount
inches to Fathom table
| inches | Fathom |
|---|---|
| 0.25 inches | 0.00347222 Fathom |
| 0.5 inches | 0.00694444 Fathom |
| 1 inch | 0.0138889 Fathom |
| 2 inches | 0.0277778 Fathom |
| 3 inches | 0.0416667 Fathom |
| 4 inches | 0.0555556 Fathom |
| 5 inches | 0.0694444 Fathom |
| 10 inches | 0.138889 Fathom |
| 20 inches | 0.277778 Fathom |
| 25 inches | 0.347222 Fathom |
| 50 inches | 0.694444 Fathom |
| 100 inches | 1.38889 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 inchesHistorically reconstructed · 0.5–1.4 m
- League to inchesHistorically reconstructed
- Rod/Perch/Pole to inchesHistorically reconstructed
- Span to inchesHistorically reconstructed
- Digit (Finger-width) to inchesHistorically reconstructed
- Palm to inchesHistorically reconstructed
- Stadion (Greek) to inchesHistorically reconstructed
- Link (Gunter) to inchesConventional value
Related conversions
Frequently asked
How many Fathom are in a inch?
1 inch = 0.0138889 Fathom. Multiply the number of inches by 0.013888889 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 inches to Fathom. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/inch-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.