Home / Length Conversion / Convert inch (US survey) [in] to chain [ch]
Convert inch (US survey) [in] to chain [ch]
Please provide values below to Convert inch (US survey) [in] to chain [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 Chain?
The chain (22 yards or 20.1168 m) was crucial in land surveying. Invented by Edmund Gunter in 1620, 10 square chains equal 1 acre. Modern surveyors still use 'chain' terminology.
inch (US survey) [in] to chain [ch] Conversion Table
| inch (US survey) [in] | chain [ch] |
|---|---|
| 0.01 inch (US survey) [in] | 1.26262878788e-5 chain [ch] |
| 0.1 inch (US survey) [in] | 0.000126262878788 chain [ch] |
| 1 inch (US survey) [in] | 0.00126262878788 chain [ch] |
| 2 inch (US survey) [in] | 0.00252525757577 chain [ch] |
| 3 inch (US survey) [in] | 0.00378788636365 chain [ch] |
| 5 inch (US survey) [in] | 0.00631314393942 chain [ch] |
| 10 inch (US survey) [in] | 0.0126262878788 chain [ch] |
| 20 inch (US survey) [in] | 0.0252525757577 chain [ch] |
| 50 inch (US survey) [in] | 0.0631314393942 chain [ch] |
| 100 inch (US survey) [in] | 0.126262878788 chain [ch] |
| 1000 inch (US survey) [in] | 1.26262878788 chain [ch] |
How to Convert inch (US survey) [in] to chain [ch]
1 inch (US survey) [in] = 0.0012626287878839 chain [ch]
1 chain [ch] = 791.99841599999 inch (US survey) [in]
Example: convert 15 inch (US survey) [in] to chain [ch]:
15 × 0.0012626287878839 = 0.018939431818258 chain [ch]