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Re: Pounds and Kilograms

• To: mathgroup at smc.vnet.net
• Subject: [mg103711] Re: Pounds and Kilograms
• From: Bill Rowe <readnews at sbcglobal.net>
• Date: Sat, 3 Oct 2009 09:03:17 -0400 (EDT)

On 10/2/09 at 8:22 AM, kjm at KevinMcCann.com (Kevin J. McCann) wrote:

>Pressure in English units is psi (pounds per square inch), which is
>Force per unit area. However,

>Convert[Pound/Inch^2,Pascal]

>Convert::incomp: Incompatible units in Pound/Inch^2 and Pascal.

>Since, by WRI's own definition that Pound is a weight, i.e. force,
>this is not correct. While imperial units cause untold problems, the
>engineering world, at least in the USA, tend to use them, but I
>don't want to get into all that.

>Anyway, I just posted this as a notice of the inconsistency.

The Units package has the unit PoundsPerSquareInch which if
used, avoids this issue.