How to convert fathoms to fathoms (US survey)
1 fathom is equal to 0.999998 fathoms (US survey), and 1 fathom (us survey) is equal to 1.000002 fathoms. To convert, multiply by the conversion factor:
fathoms (US survey) = fathoms × 0.999998
fathoms (US survey) = fathoms ÷ 1.000002Example: convert 15 ftm to ftm (US): 15 × 0.999998 = 14.99997 ftm (US).
Fathom to Fathom (US Survey) conversion table
| Fathom (ftm) | Fathom (US Survey) (ftm (US)) |
|---|---|
| 0.01 ftm | 0.00999998 ftm (US) |
| 0.1 ftm | 0.0999998 ftm (US) |
| 1 ftm | 0.999998 ftm (US) |
| 2 ftm | 1.999996 ftm (US) |
| 3 ftm | 2.999994 ftm (US) |
| 5 ftm | 4.99999 ftm (US) |
| 10 ftm | 9.99998 ftm (US) |
| 20 ftm | 19.99996 ftm (US) |
| 50 ftm | 49.9999 ftm (US) |
| 100 ftm | 99.9998 ftm (US) |
| 250 ftm | 249.9995 ftm (US) |
| 500 ftm | 499.999 ftm (US) |
| 1,000 ftm | 999.998 ftm (US) |
About the fathom
The fathom is 6 feet (1.8288 m). It's used to measure the depth of water on nautical charts and fishing lines.
Symbol: ftm · 1 ftm = 1.8288 m · Category: Imperial & US customary
About the fathom (us survey)
The US survey fathom is 6 US survey feet, about 1.8288037 m.
Symbol: ftm (US) · 1 ftm (US) = 1.828803658 m · Category: US survey units