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Re: How long is a Chain?

Subject: Re: How long is a Chain?
From: David Johnson <trainman@ozemail.com.au>
Date: Tue, 14 Dec 1999 21:48:16 +1100
Newsgroups: aus.rail,aus.rail.models
References: <385483a3@news.hunterlink.net.au> <Gvd54.2006$Dh3.53255@ozemail.com.au>
Reply-To: trainman@ozemail.com.au
Xref: netgate.bta.bt.com aus.rail:29222 aus.rail.models:3268

Chris Lehmann wrote:

> The official conversion for chains to metric (at least in NSW) is
> 1 chain = 20.115 metres.  All distances were rounded to 5 millimetres
> (0.005 metre).  The term "chainage" still survives for measurements
> along a road or railway though it is now measured in metres.

The following from Conversion Buddy Freeware Version 4.11

Description  Rounding Error  Derivation
Entered Value  Exact   Exact
Conversion Factor  2.4855E-07   (.5/2011684).
Reported Digits  2.4855E-06   (.5/201168).

1 chains (based on US survey foot) is equivalent to: 20.1168 meters

Each chain (based on US survey foot) =  (2.011 684 E1) meters.


--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/

Follow-Ups:
- Re: How long is a Chain?
  - From: "Chris Lehmann" <chrisjl@iname.com>

References:
- How long is a Chain?
  - From: "Ben O'Regan" <ben@NOSPAMFORemiratespark.com.au>
- Re: How long is a Chain?
  - From: "Chris Lehmann" <chrisjl@iname.com>

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