ch to km
92 unitsConvert Chain (US survey) to Kilometer (ch to km)
1 chain (US survey) = 0.02011684023 kilometers. Convert chain (US survey) to kilometers instantly, with the exact factor, the formula and a reference table of common values.
ch to km conversion table
| ch | km |
|---|---|
| 1 ch | 0.02011684023 km |
| 2 ch | 0.04023368047 km |
| 3 ch | 0.0603505207 km |
| 5 ch | 0.1005842012 km |
| 10 ch | 0.2011684023 km |
| 20 ch | 0.4023368047 km |
| 50 ch | 1.005842012 km |
| 100 ch | 2.011684023 km |
| 250 ch | 5.029210058 km |
| 500 ch | 10.05842012 km |
| 1000 ch | 20.11684023 km |
What is a chain (US survey)?
The chain (US survey) is a US survey unit. One chain (US survey) equals 20.11684023 meters, so every conversion on this page starts from that single number. Survey units come from a slightly older definition of the foot that the United States kept for land measurement, so they are a tiny fraction larger than the modern versions.
The difference is far too small to notice in a room, but across miles of property boundary it matters, which is why surveyors and deed records keep the two apart.
In writing, the chain (US survey) is usually shortened to "ch". One chain (US survey) is 20.11684023 meters, and that ratio is what every figure on this page is built from.