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From: M Henri Day <mhenriday@gmail.com>
Date: Sun, 3 Jun 2012 19:26:06 +0200
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Subject: Re: [Calc] Feature request: Change default cell width from 2,27cm to
 2,50cm
To: ooo-users@incubator.apache.org
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2012/6/3 NoOp <glgxg@sbcglobal.net>

> On 06/02/2012 11:54 AM, Niall Martin wrote:
> > 2.54 cm to the inch, it certainly is by law. It follows from
> > legislation in the 80s, I think, which defined the UK yard as 0.9144
> > metres exactly.  If you do your arithmetic that leads to 2.54 cm to
> > the inch, exactly.
>
> Well not *exactly* - it depends upon how many decimal places you'd care
> to use, which country (most do abide by SI Units - BIPM, NIST ect), and
> which law & which reference.
>
> <http://physics.nist.gov/Pubs/SP811/appenB.html>
>
> 1 ft =3D (1200/3937) m
>
> 1200/3937 =3D 0.3048006096
>
> =3D(1200/3937)/12
>  =3D 0.0254000508
>
> And of course there is the infamous '0.02540005'...
>
> For legal and practical purposes, in most cases, 1 inch =3D 2.54
> centimeters. And yes, I've already responded to Mike regarding this.
> However, please keep in mind that your response is country centric, and
> most likely refers to:
> <http://www.legislation.gov.uk/ukpga/1985/72/section/1>
> But that "legislation" is (again) country specific and goes back to my
> original comments:
> You see the problem? You call it tamatoe, I call it tomato...
>
> [OT] Btw I pronounce 'River Thames' as th-ames (same as James) insead of
> 'tems/t=C4=95mz/temmz'. I suppose there are several explainations for thi=
s
> (none in law that I know of), but I quite like this one:
> <http://www.proto-english.org/l10.html>
> Any yes, all of this has been discussed/debated/departed on the old OOo
> lists. So my recommendation is to let it be.
>  :-)
>

If I've calculated aright, one *inch* in the Imperial system should be
approximately 1.5715917903674 x 10^33 *Planck lengths*. Apologies for any
rounding errors....

Henri

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