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Length and Area

cmtoch

Convert centimetres (cm) to chains (ch).

Factor1 cm = 0.000497097 ch

Converter

cm

Accepts numbers or expressions, e.g. 150 + 14.7

Result
4.97097ch

Rendered to 6 significant figures.

Formula

Formula
ch = cm × 0.000497097

Multiply any value in centimetres by 0.000497097 to obtain the value in chains.

Worked example

Convert 10000 cm to ch.

  1. 01Start with 10000 cm.
  2. 02Multiply by the conversion factor: 10000 × 0.000497097 = 4.97097 ch.
Result10000 cm = 4.97097 ch

Conversion table

cmch
10.0004971
20.00099419
50.0024855
100.004971
200.0099419
500.024855
1000.04971
2000.099419
5000.24855
10000.4971

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cm to ch?
1 cm equals 0.000497097 ch. To convert, multiply the value in centimetres by 0.000497097.
How do I convert 1 cm to ch?
1 cm = 0.000497097 ch. For any value, multiply by 0.000497097.
How do I convert ch back to cm?
Divide by the same factor — or equivalently, multiply by 2011.68. So 1 ch = 2011.68 cm.
When would I need to convert centimetre to chain (Gunter's chain)?
Length conversions appear in piping, layout, and mechanical drawings — particularly when reconciling imperial fittings or instrument lengths with metric plant drawings.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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