To convert fathoms to US survey chains, multiply the value by 0.0909089. To go the other way, multiply US survey chains by 11 to get fathoms.
| Fathoms (ftm) | US Survey Chains (chUS) |
|---|---|
| 1 ftm | 0.0909089 chUS |
| 2 ftm | 0.181818 chUS |
| 3 ftm | 0.272727 chUS |
| 4 ftm | 0.363636 chUS |
| 5 ftm | 0.454545 chUS |
| 6 ftm | 0.545453 chUS |
| 7 ftm | 0.636362 chUS |
| 8 ftm | 0.727271 chUS |
| 9 ftm | 0.81818 chUS |
| 10 ftm | 0.909089 chUS |
| 12 ftm | 1.09091 chUS |
| 14 ftm | 1.27272 chUS |
| 15 ftm | 1.36363 chUS |
| 20 ftm | 1.81818 chUS |
| 21 ftm | 1.90909 chUS |
| 24 ftm | 2.18181 chUS |
| 25 ftm | 2.27272 chUS |
| 30 ftm | 2.72727 chUS |
| 40 ftm | 3.63636 chUS |
| 50 ftm | 4.54545 chUS |
| 60 ftm | 5.45453 chUS |
| 75 ftm | 6.81817 chUS |
| 80 ftm | 7.27271 chUS |
| 100 ftm | 9.09089 chUS |
| 200 ftm | 18.1818 chUS |
| 250 ftm | 22.7272 chUS |
| 300 ftm | 27.2727 chUS |
| 400 ftm | 36.3636 chUS |
| 500 ftm | 45.4545 chUS |
| 750 ftm | 68.1817 chUS |
| 1,000 ftm | 90.9089 chUS |
Fathom (ftm). A fathom is 6 feet (1.8288 m), traditionally used to measure the depth of water.
US survey chain (chUS). The US survey chain is 66 US survey feet, about 20.1168 m.
There are 0.0909089 US survey chains in one fathom.
Multiply the number of fathoms by 0.0909089. For example, 10 fathoms equal 0.909089 US survey chains.
One US survey chain equals 11 fathoms.
1.09091 US survey chains. Other common values: 5 fathoms = 0.454545 US survey chains and 100 fathoms = 9.09089 US survey chains.