To convert US survey chains to fathoms, multiply the value by 11. To go the other way, multiply fathoms by 0.0909089 to get US survey chains.
| US Survey Chains (chUS) | Fathoms (ftm) |
|---|---|
| 1 chUS | 11 ftm |
| 2 chUS | 22 ftm |
| 3 chUS | 33.0001 ftm |
| 4 chUS | 44.0001 ftm |
| 5 chUS | 55.0001 ftm |
| 6 chUS | 66.0001 ftm |
| 7 chUS | 77.0002 ftm |
| 8 chUS | 88.0002 ftm |
| 9 chUS | 99.0002 ftm |
| 10 chUS | 110 ftm |
| 12 chUS | 132 ftm |
| 14 chUS | 154 ftm |
| 15 chUS | 165 ftm |
| 20 chUS | 220 ftm |
| 21 chUS | 231 ftm |
| 24 chUS | 264.001 ftm |
| 25 chUS | 275.001 ftm |
| 30 chUS | 330.001 ftm |
| 40 chUS | 440.001 ftm |
| 50 chUS | 550.001 ftm |
| 60 chUS | 660.001 ftm |
| 75 chUS | 825.002 ftm |
| 80 chUS | 880.002 ftm |
| 100 chUS | 1,100 ftm |
| 200 chUS | 2,200 ftm |
| 250 chUS | 2,750.01 ftm |
| 300 chUS | 3,300.01 ftm |
| 400 chUS | 4,400.01 ftm |
| 500 chUS | 5,500.01 ftm |
| 750 chUS | 8,250.02 ftm |
| 1,000 chUS | 11,000 ftm |
US survey chain (chUS). The US survey chain is 66 US survey feet, about 20.1168 m.
Fathom (ftm). A fathom is 6 feet (1.8288 m), traditionally used to measure the depth of water.
There are 11 fathoms in one US survey chain.
Multiply the number of US survey chains by 11. For example, 10 US survey chains equal 110 fathoms.
One fathom equals 0.0909089 US survey chains.
132 fathoms. Other common values: 5 US survey chains = 55.0001 fathoms and 100 US survey chains = 1,100 fathoms.