To convert spans to US survey chains, multiply the value by 0.0113636. To go the other way, multiply US survey chains by 88.0002 to get spans.
| Spans (span) | US Survey Chains (chUS) |
|---|---|
| 1 span | 0.0113636 chUS |
| 2 span | 0.0227272 chUS |
| 3 span | 0.0340908 chUS |
| 4 span | 0.0454545 chUS |
| 5 span | 0.0568181 chUS |
| 6 span | 0.0681817 chUS |
| 7 span | 0.0795453 chUS |
| 8 span | 0.0909089 chUS |
| 9 span | 0.102273 chUS |
| 10 span | 0.113636 chUS |
| 12 span | 0.136363 chUS |
| 14 span | 0.159091 chUS |
| 15 span | 0.170454 chUS |
| 20 span | 0.227272 chUS |
| 21 span | 0.238636 chUS |
| 24 span | 0.272727 chUS |
| 25 span | 0.28409 chUS |
| 30 span | 0.340908 chUS |
| 40 span | 0.454545 chUS |
| 50 span | 0.568181 chUS |
| 60 span | 0.681817 chUS |
| 75 span | 0.852271 chUS |
| 80 span | 0.909089 chUS |
| 100 span | 1.13636 chUS |
| 200 span | 2.27272 chUS |
| 250 span | 2.8409 chUS |
| 300 span | 3.40908 chUS |
| 400 span | 4.54545 chUS |
| 500 span | 5.68181 chUS |
| 750 span | 8.52271 chUS |
| 1,000 span | 11.3636 chUS |
Span (span). A span is 9 inches (0.2286 m), the distance across an outstretched hand.
US survey chain (chUS). The US survey chain is 66 US survey feet, about 20.1168 m.
There are 0.0113636 US survey chains in one span.
Multiply the number of spans by 0.0113636. For example, 10 spans equal 0.113636 US survey chains.
One US survey chain equals 88.0002 spans.
0.136363 US survey chains. Other common values: 5 spans = 0.0568181 US survey chains and 100 spans = 1.13636 US survey chains.