To convert US survey feet to fathoms, multiply the value by 0.166667. To go the other way, multiply fathoms by 5.99999 to get US survey feet.
| US Survey Feet (ftUS) | Fathoms (ftm) |
|---|---|
| 1 ftUS | 0.166667 ftm |
| 2 ftUS | 0.333334 ftm |
| 3 ftUS | 0.500001 ftm |
| 4 ftUS | 0.666668 ftm |
| 5 ftUS | 0.833335 ftm |
| 6 ftUS | 1 ftm |
| 7 ftUS | 1.16667 ftm |
| 8 ftUS | 1.33334 ftm |
| 9 ftUS | 1.5 ftm |
| 10 ftUS | 1.66667 ftm |
| 12 ftUS | 2 ftm |
| 14 ftUS | 2.33334 ftm |
| 15 ftUS | 2.50001 ftm |
| 20 ftUS | 3.33334 ftm |
| 21 ftUS | 3.50001 ftm |
| 24 ftUS | 4.00001 ftm |
| 25 ftUS | 4.16668 ftm |
| 30 ftUS | 5.00001 ftm |
| 40 ftUS | 6.66668 ftm |
| 50 ftUS | 8.33335 ftm |
| 60 ftUS | 10 ftm |
| 75 ftUS | 12.5 ftm |
| 80 ftUS | 13.3334 ftm |
| 100 ftUS | 16.6667 ftm |
| 200 ftUS | 33.3334 ftm |
| 250 ftUS | 41.6668 ftm |
| 300 ftUS | 50.0001 ftm |
| 400 ftUS | 66.6668 ftm |
| 500 ftUS | 83.3335 ftm |
| 750 ftUS | 125 ftm |
| 1,000 ftUS | 166.667 ftm |
US survey foot (ftUS). The US survey foot is about 0.3048006 m, very slightly longer than the international foot, and was used in US land surveys.
Fathom (ftm). A fathom is 6 feet (1.8288 m), traditionally used to measure the depth of water.
There are 0.166667 fathoms in one US survey foot.
Multiply the number of US survey feet by 0.166667. For example, 10 US survey feet equal 1.66667 fathoms.
One fathom equals 5.99999 US survey feet.
2 fathoms. Other common values: 5 US survey feet = 0.833335 fathoms and 100 US survey feet = 16.6667 fathoms.