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Length and Area

fttoch

Convert feet (ft) to chains (ch).

Factor1 ft = 0.01515152 ch

Converter

ft

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

Result
1ch

Rendered to 6 significant figures.

Formula

Formula
ch = ft × 0.01515152

Multiply any value in feet by 0.01515152 to obtain the value in chains.

Worked example

Convert 66 ft to ch.

  1. 01Start with 66 ft.
  2. 02Multiply by the conversion factor: 66 × 0.01515152 = 1 ch.
Result66 ft = 1 ch

Conversion table

ftch
10.015152
20.030303
50.075758
100.15152
200.30303
500.75758
1001.5152
2003.0303
5007.5758
100015.152

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from ft to ch?
1 ft equals 0.01515152 ch. To convert, multiply the value in feet by 0.01515152.
How do I convert 1 ft to ch?
1 ft = 0.0151515 ch. For any value, multiply by 0.01515152.
How do I convert ch back to ft?
Divide by the same factor — or equivalently, multiply by 66. So 1 ch = 66 ft.
When would I need to convert foot 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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