This calculator allows you to convert from Chain to Fathom (US survey) and in a reverse direction. To convert from Chain to Fathom (US survey), enter the amount of Chain into the first input and to convert from Fathom (US survey) to Chain, enter the amount of Fathom (US survey) into the second input.
20 Chain = 219.99956 Fathom (US survey)
Chain to Meter | Chain to Foot | Chain to Centimeter | Chain to Inch | Chain to Kilometer | Chain to Mile | Chain to Millimeter | Chain to Yard | Chain to Micrometer |20 Chain equal 219.99956 Fathom (US survey).
Every 1 Chain = 10.999978 Fathom (US survey) and so, 20 Chain = 20 multiplied by 10.999978 = 219.99956 Fathom (US survey).
What is the chain?
The chain is a unit of length. It equals 66 feet. The chain was first introduced between 1579 and 1607.
Several countries have used chain for several centuries especially in England. Note that there are 80 chains in one mile.
The main use of the chain is in laying out US townships. Official governments must use US survey chain to do surveys according to the federal law passed in 1785.
| 10 Chain = 109.99978 Fathom (US survey) |
| 11 Chain = 120.999758 Fathom (US survey) |
| 12 Chain = 131.999736 Fathom (US survey) |
| 13 Chain = 142.999714 Fathom (US survey) |
| 14 Chain = 153.999692 Fathom (US survey) |
| 15 Chain = 164.99967 Fathom (US survey) |
| 16 Chain = 175.999648 Fathom (US survey) |
| 17 Chain = 186.999626 Fathom (US survey) |
| 18 Chain = 197.999604 Fathom (US survey) |
| 19 Chain = 208.999582 Fathom (US survey) |
| 20 Chain = 219.99956 Fathom (US survey) |
| 21 Chain = 230.999538 Fathom (US survey) |
| 22 Chain = 241.999516 Fathom (US survey) |
| 23 Chain = 252.999494 Fathom (US survey) |
| 24 Chain = 263.999472 Fathom (US survey) |
| 25 Chain = 274.99945 Fathom (US survey) |
| 26 Chain = 285.999428 Fathom (US survey) |
| 27 Chain = 296.999406 Fathom (US survey) |
| 28 Chain = 307.999384 Fathom (US survey) |
| 29 Chain = 318.999362 Fathom (US survey) |
| 30 Chain = 329.99934 Fathom (US survey) |
