Convert inch (US survey) [in] to chain (US survey) [ch]
Please provide values below to Convert inch (US survey) [in] to chain (US survey) [ch], or vice versa.
What is a US Survey Inch?
The US survey inch (1/39.37 meter ≈ 2.540005 cm) was slightly longer than the international inch (2.54 cm). Used in all American engineering drawings until 2023, its difference caused measurable discrepancies in large-scale projects.
What is a US Survey Chain?
The US survey chain (∼20.1168 m) used the US survey foot. This measurement was key in the rectangular survey system that mapped the American frontier.
inch (US survey) [in] to chain (US survey) [ch] Conversion Table
| inch (US survey) [in] | chain (US survey) [ch] |
|---|---|
| 0.01 inch (US survey) [in] | 1.26262626263e-5 chain (US survey) [ch] |
| 0.1 inch (US survey) [in] | 0.000126262626263 chain (US survey) [ch] |
| 1 inch (US survey) [in] | 0.00126262626263 chain (US survey) [ch] |
| 2 inch (US survey) [in] | 0.00252525252525 chain (US survey) [ch] |
| 3 inch (US survey) [in] | 0.00378787878788 chain (US survey) [ch] |
| 5 inch (US survey) [in] | 0.00631313131313 chain (US survey) [ch] |
| 10 inch (US survey) [in] | 0.0126262626263 chain (US survey) [ch] |
| 20 inch (US survey) [in] | 0.0252525252525 chain (US survey) [ch] |
| 50 inch (US survey) [in] | 0.0631313131313 chain (US survey) [ch] |
| 100 inch (US survey) [in] | 0.126262626263 chain (US survey) [ch] |
| 1000 inch (US survey) [in] | 1.26262626263 chain (US survey) [ch] |
How to Convert inch (US survey) [in] to chain (US survey) [ch]
1 inch (US survey) [in] = 0.0012626262626263 chain (US survey) [ch]
1 chain (US survey) [ch] = 791.99999999997 inch (US survey) [in]
Example: convert 15 inch (US survey) [in] to chain (US survey) [ch]:
15 × 0.0012626262626263 = 0.018939393939395 chain (US survey) [ch]