This calculator allows you to convert from Chain to Mile (US survey) and in a reverse direction. To convert from Chain to Mile (US survey), enter the amount of Chain into the first input and to convert from Mile (US survey) to Chain, enter the amount of Mile (US survey) into the second input.
20 Chain = 0.2499995 Mile (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 0.2499995 Mile (US survey).
Every 1 Chain = 0.012499975 Mile (US survey) and so, 20 Chain = 20 multiplied by 0.012499975 = 0.2499995 Mile (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 = 0.12499975 Mile (US survey) |
| 11 Chain = 0.137499725 Mile (US survey) |
| 12 Chain = 0.1499997 Mile (US survey) |
| 13 Chain = 0.162499675 Mile (US survey) |
| 14 Chain = 0.17499965 Mile (US survey) |
| 15 Chain = 0.187499625 Mile (US survey) |
| 16 Chain = 0.1999996 Mile (US survey) |
| 17 Chain = 0.212499575 Mile (US survey) |
| 18 Chain = 0.22499955 Mile (US survey) |
| 19 Chain = 0.237499525 Mile (US survey) |
| 20 Chain = 0.2499995 Mile (US survey) |
| 21 Chain = 0.262499475 Mile (US survey) |
| 22 Chain = 0.27499945 Mile (US survey) |
| 23 Chain = 0.287499425 Mile (US survey) |
| 24 Chain = 0.2999994 Mile (US survey) |
| 25 Chain = 0.312499375 Mile (US survey) |
| 26 Chain = 0.32499935 Mile (US survey) |
| 27 Chain = 0.337499325 Mile (US survey) |
| 28 Chain = 0.3499993 Mile (US survey) |
| 29 Chain = 0.362499275 Mile (US survey) |
| 30 Chain = 0.37499925 Mile (US survey) |
