Online Length Units Converter
How to Convert from Nautical mile (UK) [NM (UK)] to Chain (US survey) [ch]
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How to Convert from Nautical mile (UK) [NM (UK)] to Chain (US survey) [ch]

Learn how to convert length measurements from the UK nautical mile to the US survey chain, useful for historical navigation and land surveying contexts.

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Nautical mile (UK) [NM (UK)] to Chain (US survey) [ch] Conversion Table

Nautical mile (UK) [NM (UK)] Chain (US survey) [ch]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
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Nautical mile (UK) [NM (UK)] to Chain (US survey) [ch] Conversion Table
Nautical mile (UK) [NM (UK)] Chain (US survey) [ch]

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  5. How to convert from decimeter [dm] to nautical mile (UK) [NM (UK)]?
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  7. How to convert from centimeter [cm] to nautical mile (UK) [NM (UK)]?
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  9. How to convert from millimeter [mm] to nautical mile (UK) [NM (UK)]?
  10. How to convert from nautical mile (UK) [NM (UK)] to millimeter [mm]?
  11. How to convert from micrometer [µm] to nautical mile (UK) [NM (UK)]?
  12. How to convert from nautical mile (UK) [NM (UK)] to micrometer [µm]?
  13. How to convert from nanometer [nm] to nautical mile (UK) [NM (UK)]?
  14. How to convert from nautical mile (UK) [NM (UK)] to nanometer [nm]?
  15. How to convert from mile [mi, mi(Int)] to nautical mile (UK) [NM (UK)]?
  16. How to convert from nautical mile (UK) [NM (UK)] to mile [mi, mi(Int)]?
  17. How to convert from yard [yd] to nautical mile (UK) [NM (UK)]?
  18. How to convert from nautical mile (UK) [NM (UK)] to yard [yd]?
  19. How to convert from foot [ft] to nautical mile (UK) [NM (UK)]?
  20. How to convert from nautical mile (UK) [NM (UK)] to foot [ft]?
  21. How to convert from inch [in] to nautical mile (UK) [NM (UK)]?
  22. How to convert from nautical mile (UK) [NM (UK)] to inch [in]?
  23. How to convert from light year [ly] to nautical mile (UK) [NM (UK)]?
  24. How to convert from nautical mile (UK) [NM (UK)] to light year [ly]?
  25. How to convert from exameter [Em] to nautical mile (UK) [NM (UK)]?
  26. How to convert from nautical mile (UK) [NM (UK)] to exameter [Em]?
  27. How to convert from petameter [Pm] to nautical mile (UK) [NM (UK)]?
  28. How to convert from nautical mile (UK) [NM (UK)] to petameter [Pm]?
  29. How to convert from terameter [Tm] to nautical mile (UK) [NM (UK)]?
  30. How to convert from nautical mile (UK) [NM (UK)] to terameter [Tm]?
  31. How to convert from gigameter [Gm] to nautical mile (UK) [NM (UK)]?
  32. How to convert from nautical mile (UK) [NM (UK)] to gigameter [Gm]?
  33. How to convert from megameter [Mm] to nautical mile (UK) [NM (UK)]?
  34. How to convert from nautical mile (UK) [NM (UK)] to megameter [Mm]?
  35. How to convert from hectometer [hm] to nautical mile (UK) [NM (UK)]?
  36. How to convert from nautical mile (UK) [NM (UK)] to hectometer [hm]?
  37. How to convert from dekameter [dam] to nautical mile (UK) [NM (UK)]?
  38. How to convert from nautical mile (UK) [NM (UK)] to dekameter [dam]?
  39. How to convert from micron [µ] to nautical mile (UK) [NM (UK)]?
  40. How to convert from nautical mile (UK) [NM (UK)] to micron [µ]?
  41. How to convert from picometer [pm] to nautical mile (UK) [NM (UK)]?
  42. How to convert from nautical mile (UK) [NM (UK)] to picometer [pm]?
  43. How to convert from femtometer [fm] to nautical mile (UK) [NM (UK)]?
  44. How to convert from nautical mile (UK) [NM (UK)] to femtometer [fm]?
  45. How to convert from attometer [am] to nautical mile (UK) [NM (UK)]?
  46. How to convert from nautical mile (UK) [NM (UK)] to attometer [am]?
  47. How to convert from megaparsec [Mpc] to nautical mile (UK) [NM (UK)]?
  48. How to convert from nautical mile (UK) [NM (UK)] to megaparsec [Mpc]?
  49. How to convert from kiloparsec [kpc] to nautical mile (UK) [NM (UK)]?
  50. How to convert from nautical mile (UK) [NM (UK)] to kiloparsec [kpc]?
  51. How to convert from parsec [pc] to nautical mile (UK) [NM (UK)]?
  52. How to convert from nautical mile (UK) [NM (UK)] to parsec [pc]?
  53. How to convert from astronomical unit [AU, UA] to nautical mile (UK) [NM (UK)]?
  54. How to convert from nautical mile (UK) [NM (UK)] to astronomical unit [AU, UA]?
  55. How to convert from league [lea] to nautical mile (UK) [NM (UK)]?
  56. How to convert from nautical mile (UK) [NM (UK)] to league [lea]?
  57. How to convert from nautical league (UK) to nautical mile (UK) [NM (UK)]?
  58. How to convert from nautical mile (UK) [NM (UK)] to nautical league (UK)?
  59. How to convert from nautical league (int.) to nautical mile (UK) [NM (UK)]?
  60. How to convert from nautical mile (UK) [NM (UK)] to nautical league (int.)?
  61. How to convert from league (statute) [st.league] to nautical mile (UK) [NM (UK)]?
  62. How to convert from nautical mile (UK) [NM (UK)] to league (statute) [st.league]?
  63. How to convert from nautical mile (international) to nautical mile (UK) [NM (UK)]?
  64. How to convert from nautical mile (UK) [NM (UK)] to nautical mile (international)?
  65. How to convert from mile (statute) [mi, mi (US)] to nautical mile (UK) [NM (UK)]?
  66. How to convert from nautical mile (UK) [NM (UK)] to mile (statute) [mi, mi (US)]?
  67. How to convert from mile (US survey) [mi] to nautical mile (UK) [NM (UK)]?
  68. How to convert from nautical mile (UK) [NM (UK)] to mile (US survey) [mi]?
  69. How to convert from mile (Roman) to nautical mile (UK) [NM (UK)]?
  70. How to convert from nautical mile (UK) [NM (UK)] to mile (Roman)?
  71. How to convert from kiloyard [kyd] to nautical mile (UK) [NM (UK)]?
  72. How to convert from nautical mile (UK) [NM (UK)] to kiloyard [kyd]?
  73. How to convert from furlong [fur] to nautical mile (UK) [NM (UK)]?
  74. How to convert from nautical mile (UK) [NM (UK)] to furlong [fur]?
  75. How to convert from furlong (US survey) [fur] to nautical mile (UK) [NM (UK)]?
  76. How to convert from nautical mile (UK) [NM (UK)] to furlong (US survey) [fur]?
  77. How to convert from chain [ch] to nautical mile (UK) [NM (UK)]?
  78. How to convert from nautical mile (UK) [NM (UK)] to chain [ch]?
  79. How to convert from chain (US survey) [ch] to nautical mile (UK) [NM (UK)]?
  80. How to convert from nautical mile (UK) [NM (UK)] to chain (US survey) [ch]?
  81. How to convert from rope to nautical mile (UK) [NM (UK)]?
  82. How to convert from nautical mile (UK) [NM (UK)] to rope?
  83. How to convert from rod [rd] to nautical mile (UK) [NM (UK)]?
  84. How to convert from nautical mile (UK) [NM (UK)] to rod [rd]?
  85. How to convert from rod (US survey) [rd] to nautical mile (UK) [NM (UK)]?
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  87. How to convert from perch to nautical mile (UK) [NM (UK)]?
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  97. How to convert from foot (US survey) [ft] to nautical mile (UK) [NM (UK)]?
  98. How to convert from nautical mile (UK) [NM (UK)] to foot (US survey) [ft]?
  99. How to convert from link [li] to nautical mile (UK) [NM (UK)]?
  100. How to convert from nautical mile (UK) [NM (UK)] to link [li]?
  101. How to convert from link (US survey) [li] to nautical mile (UK) [NM (UK)]?
  102. How to convert from nautical mile (UK) [NM (UK)] to link (US survey) [li]?
  103. How to convert from cubit (UK) to nautical mile (UK) [NM (UK)]?
  104. How to convert from nautical mile (UK) [NM (UK)] to cubit (UK)?
  105. How to convert from hand to nautical mile (UK) [NM (UK)]?
  106. How to convert from nautical mile (UK) [NM (UK)] to hand?
  107. How to convert from span (cloth) to nautical mile (UK) [NM (UK)]?
  108. How to convert from nautical mile (UK) [NM (UK)] to span (cloth)?
  109. How to convert from finger (cloth) to nautical mile (UK) [NM (UK)]?
  110. How to convert from nautical mile (UK) [NM (UK)] to finger (cloth)?
  111. How to convert from nail (cloth) to nautical mile (UK) [NM (UK)]?
  112. How to convert from nautical mile (UK) [NM (UK)] to nail (cloth)?
  113. How to convert from inch (US survey) [in] to nautical mile (UK) [NM (UK)]?
  114. How to convert from nautical mile (UK) [NM (UK)] to inch (US survey) [in]?
  115. How to convert from barleycorn to nautical mile (UK) [NM (UK)]?
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  140. How to convert from nautical mile (UK) [NM (UK)] to famn?
  141. How to convert from caliber [cl] to nautical mile (UK) [NM (UK)]?
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  143. How to convert from centiinch [cin] to nautical mile (UK) [NM (UK)]?
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  145. How to convert from ken to nautical mile (UK) [NM (UK)]?
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  147. How to convert from Russian archin to nautical mile (UK) [NM (UK)]?
  148. How to convert from nautical mile (UK) [NM (UK)] to Russian archin?
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  152. How to convert from nautical mile (UK) [NM (UK)] to vara de tarea?
  153. How to convert from vara conuquera to nautical mile (UK) [NM (UK)]?
  154. How to convert from nautical mile (UK) [NM (UK)] to vara conuquera?
  155. How to convert from vara castellana to nautical mile (UK) [NM (UK)]?
  156. How to convert from nautical mile (UK) [NM (UK)] to vara castellana?
  157. How to convert from cubit (Greek) to nautical mile (UK) [NM (UK)]?
  158. How to convert from nautical mile (UK) [NM (UK)] to cubit (Greek)?
  159. How to convert from long reed to nautical mile (UK) [NM (UK)]?
  160. How to convert from nautical mile (UK) [NM (UK)] to long reed?
  161. How to convert from reed to nautical mile (UK) [NM (UK)]?
  162. How to convert from nautical mile (UK) [NM (UK)] to reed?
  163. How to convert from long cubit to nautical mile (UK) [NM (UK)]?
  164. How to convert from nautical mile (UK) [NM (UK)] to long cubit?
  165. How to convert from handbreadth to nautical mile (UK) [NM (UK)]?
  166. How to convert from nautical mile (UK) [NM (UK)] to handbreadth?
  167. How to convert from fingerbreadth to nautical mile (UK) [NM (UK)]?
  168. How to convert from nautical mile (UK) [NM (UK)] to fingerbreadth?
  169. How to convert from Planck length to nautical mile (UK) [NM (UK)]?
  170. How to convert from nautical mile (UK) [NM (UK)] to Planck length?
  171. How to convert from Electron radius (classical) to nautical mile (UK) [NM (UK)]?
  172. How to convert from nautical mile (UK) [NM (UK)] to Electron radius (classical)?
  173. How to convert from Bohr radius [b, a.u.] to nautical mile (UK) [NM (UK)]?
  174. How to convert from nautical mile (UK) [NM (UK)] to Bohr radius [b, a.u.]?
  175. How to convert from Earth's equatorial radius to nautical mile (UK) [NM (UK)]?
  176. How to convert from nautical mile (UK) [NM (UK)] to Earth's equatorial radius?
  177. How to convert from Earth's polar radius to nautical mile (UK) [NM (UK)]?
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  179. How to convert from Earth's distance from sun to nautical mile (UK) [NM (UK)]?
  180. How to convert from nautical mile (UK) [NM (UK)] to Earth's distance from sun?
  181. How to convert from Sun's radius to nautical mile (UK) [NM (UK)]?
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What Is This Tool?

This tool enables conversion between the UK nautical mile (NM UK), a traditional maritime distance unit, and the US survey chain, a unit historically used in American land surveying.

How to Use This Tool?

  • Enter the value in nautical mile (UK) units that you want to convert.
  • Select the target unit as chain (US survey).
  • Review the converted value to assist with your historical or surveying research.

Key Features

  • Converts length from nautical mile (UK) to chain (US survey) with a precise conversion rate.
  • Useful for interpreting historical maritime and land surveying documents.
  • Browser-based and easy to use for reconciling UK and US legacy measurements.

Examples

  • 1 NM (UK) converts to 92.1210278788 ch
  • 2 NM (UK) converts to 184.2420557576 ch

Common Use Cases

  • Interpreting distances on historical UK Admiralty charts and navigation records.
  • Converting legacy maritime or land surveying data to modern units for GIS mapping.
  • Analyzing and comparing older navigation instruments or cadastral surveys involving UK and US systems.

Tips & Best Practices

  • Ensure units selected match the historical context of your data for accurate interpretation.
  • Use the tool to help reconcile measurements from different legacy systems in research or legal work.
  • Double check conversions when working with approximate or rounded historical values.

Limitations

  • Slight differences between UK nautical mile and international nautical mile definitions may affect results.
  • The US survey chain unit is largely outdated and replaced by metric measurements.
  • Historical documents may contain rounded or approximate values, limiting exact conversion precision.

Frequently Asked Questions

What is a nautical mile (UK)?
The UK nautical mile, historically known as the Admiralty nautical mile, is exactly 6,080 feet or 1,853.184 metres, slightly longer than the international nautical mile.

What is a chain (US survey)?
The US survey chain is a length unit equal to 66 US survey feet, traditionally used for land surveying and subdivided into 100 links.

Why convert between NM (UK) and US survey chain?
Converting between these units helps interpret historical documents and geographic data that use different traditional measurement standards from the UK and US.

Key Terminology

Nautical mile (UK) [NM (UK)]
A maritime unit equal to exactly 6,080 feet or 1,853.184 metres, used in historical UK navigation.
Chain (US survey) [ch]
A traditional US surveying length unit measuring 66 US survey feet, used in cadastral and land boundary surveys.
Conversion Rate
The factor used for calculating equivalent length from one unit to another; here, 1 NM (UK) equals 92.1210278788 ch.

Quick Knowledge Check

What length does the UK nautical mile equal?
How many US survey feet are in one US survey chain?
What is a common use for converting NM (UK) to chain (US survey)?

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